From a9a67d5abdd89a876661e7d04fd074c183acb037 Mon Sep 17 00:00:00 2001
From: Szymon Rodziewicz <szymonrodant@gmail.com>
Date: Fri, 3 Nov 2023 14:42:23 +0100
Subject: [PATCH] Move warn tests to warn

---
 tests/neg-deep-subtype/i3324.scala                   |  8 --------
 tests/neg/i10994.scala                               |  6 ------
 tests/neg/i11963a.scala                              |  5 -----
 tests/neg/i11963b.scala                              |  5 -----
 tests/neg/i11963c.scala                              | 10 ----------
 tests/neg/i14705.scala                               |  7 -------
 tests/neg/i2673.scala                                |  8 --------
 tests/neg/i2673b.scala                               |  8 --------
 tests/neg/i2673c.scala                               | 10 ----------
 tests/neg/i4936b.scala                               |  5 -----
 tests/neg/i6190b.scala                               |  7 -------
 tests/neg/i9266.scala                                |  7 -------
 tests/neg/i9751.scala                                | 12 ------------
 tests/neg/manifest-summoning-b.scala                 |  5 -----
 tests/neg/old-syntax.scala                           |  6 ------
 tests/neg/ovlazy.scala                               | 10 ----------
 tests/{neg => warn}/14034b.scala                     |  5 ++---
 tests/{neg-deep-subtype => warn}/1828.scala          |  4 +---
 tests/{neg-deep-subtype => warn}/3324b.scala         |  5 ++---
 tests/{neg-deep-subtype => warn}/3324f.scala         |  5 ++---
 tests/{neg-deep-subtype => warn}/3324g.scala         |  5 ++---
 tests/{neg => warn}/IsInstanceOfClassTag2.scala      |  3 +--
 .../{neg-deep-subtype => warn}/JavaSeqLiteral.scala  |  4 +---
 tests/{neg => warn}/avoid-warn-deprecation.scala     |  5 ++---
 .../conditionalWarnings.scala                        |  5 ++---
 tests/{neg => warn}/convertible.scala                |  5 ++---
 tests/{neg => warn}/deprecated-override.scala        |  5 ++---
 tests/{neg => warn}/feature-shadowing.scala          |  3 +--
 tests/{neg => warn}/gadt-contradictory-pattern.scala |  5 ++---
 tests/{neg-deep-subtype => warn}/gadt.scala          |  4 +---
 tests/{neg-deep-subtype => warn}/html.scala          |  4 +---
 tests/{neg => warn}/i10247.scala                     |  5 ++---
 tests/{neg => warn}/i10930.scala                     |  5 ++---
 tests/warn/i10994.scala                              |  5 +++++
 tests/{neg => warn}/i11022.scala                     |  5 ++---
 tests/{neg => warn}/i11097.scala                     |  5 ++---
 tests/{neg => warn}/i11225b.scala                    |  3 +--
 tests/{neg => warn}/i11333.scala                     |  5 ++---
 tests/{neg => warn}/i11344.scala                     |  3 +--
 tests/warn/i11963a.scala                             |  4 ++++
 tests/warn/i11963b.scala                             |  4 ++++
 tests/warn/i11963c.scala                             |  8 ++++++++
 tests/{neg => warn}/i12253.scala                     |  4 +---
 tests/{neg => warn}/i12597.scala                     |  3 +--
 tests/{neg => warn}/i13011.scala                     |  5 ++---
 tests/{neg => warn}/i13440.scala                     |  5 ++---
 tests/{neg => warn}/i13542.scala                     |  5 ++---
 tests/warn/i14705.scala                              |  6 ++++++
 tests/{neg => warn}/i14721.scala                     |  3 +--
 tests/{neg => warn}/i15474.scala                     |  5 ++---
 tests/{neg => warn}/i15479.scala                     |  4 +---
 tests/{neg => warn}/i15503a.scala                    |  5 ++---
 tests/{neg => warn}/i15503b.scala                    |  5 ++---
 tests/{neg => warn}/i15503c.scala                    |  5 ++---
 tests/{neg => warn}/i15503d.scala                    |  5 ++---
 tests/{neg => warn}/i15503e.scala                    |  5 ++---
 tests/{neg => warn}/i15503f.scala                    |  4 +---
 tests/{neg => warn}/i15503g.scala                    |  5 ++---
 tests/{neg => warn}/i15503h.scala                    |  5 ++---
 tests/{neg => warn}/i15503j.scala                    |  5 ++---
 tests/{neg => warn}/i15662.scala                     |  4 +---
 tests/{neg => warn}/i16639a.scala                    |  5 ++---
 tests/{neg => warn}/i16649-refutable.scala           |  3 +--
 tests/{neg => warn}/i16728.scala                     |  4 +---
 tests/{neg => warn}/i16930.scala                     |  5 ++---
 tests/{neg => warn}/i17314b.scala                    |  3 +--
 tests/{neg => warn}/i17612a.scala                    |  5 ++---
 tests/{neg => warn}/i17613a.scala                    |  5 ++---
 tests/{neg => warn}/i2333.scala                      |  5 ++---
 tests/warn/i2673.scala                               |  6 ++++++
 tests/warn/i2673b.scala                              |  7 +++++++
 tests/warn/i2673c.scala                              |  9 +++++++++
 tests/warn/i3324.scala                               |  6 ++++++
 tests/{neg => warn}/i3561.scala                      |  5 ++---
 tests/{neg => warn}/i4008.scala                      |  5 ++---
 tests/{neg-deep-subtype => warn}/i4297.scala         |  5 ++---
 tests/{neg => warn}/i4364.scala                      |  4 +---
 tests/warn/i4936b.scala                              |  3 +++
 tests/{neg => warn}/i4986b.scala                     |  5 ++---
 tests/{neg => warn}/i5013.scala                      |  5 ++---
 tests/{neg => warn}/i5013b.scala                     |  3 +--
 tests/warn/i6190b.scala                              |  6 ++++++
 tests/{neg => warn}/i7314.scala                      |  4 +---
 tests/{neg => warn}/i7821.scala                      |  3 +--
 tests/{neg => warn}/i7821b.scala                     |  5 ++---
 tests/{neg => warn}/i8427.scala                      |  3 +--
 tests/{neg => warn}/i8781b.scala                     |  3 +--
 tests/{neg => warn}/i8922b.scala                     |  4 +---
 tests/{neg => warn}/i9166.scala                      |  3 +--
 tests/{neg => warn}/i9241.scala                      |  5 ++---
 tests/warn/i9266.scala                               |  6 ++++++
 tests/{neg => warn}/i9408a.scala                     |  5 ++---
 tests/{neg => warn}/i9740.scala                      |  5 ++---
 tests/{neg => warn}/i9740b.scala                     |  5 ++---
 tests/{neg => warn}/i9740c.scala                     |  3 +--
 tests/{neg => warn}/i9740d.scala                     |  3 +--
 tests/warn/i9751.scala                               | 11 +++++++++++
 tests/{neg => warn}/i9776.scala                      |  5 ++---
 tests/{neg => warn}/i9880.scala                      |  5 ++---
 tests/{neg => warn}/implicit-conversions-old.scala   |  5 ++---
 tests/{neg => warn}/implicit-conversions.scala       |  5 ++---
 tests/{neg => warn}/infix.scala                      |  5 ++---
 tests/{neg => warn}/inline-givens.scala              |  5 ++---
 tests/{neg => warn}/main-functions-nameclash.scala   |  4 +---
 tests/warn/manifest-summoning-b.scala                |  4 ++++
 tests/{neg => warn}/matchable.scala                  |  5 ++---
 tests/{neg => warn}/newline-braces.scala             |  3 +--
 tests/{neg => warn}/nonunit-statement.scala          |  5 ++---
 tests/warn/old-syntax.scala                          |  5 +++++
 tests/{neg => warn}/opaque-match.scala               |  5 ++---
 tests/{neg-deep-subtype => warn}/or-type-trees.scala |  5 ++---
 tests/warn/ovlazy.scala                              |  9 +++++++++
 tests/{neg => warn}/quote-simple-hole.scala          |  5 ++---
 tests/{neg-deep-subtype => warn}/refined-types.scala |  5 ++---
 tests/{neg => warn}/refinements-this.scala           |  3 +--
 .../{neg => warn}/strict-pattern-bindings-3.2.scala  |  5 ++---
 tests/{neg => warn}/supertraits-b.scala              |  5 ++---
 tests/{neg => warn}/switches.scala                   |  5 ++---
 tests/{neg => warn}/symbolic-packages.scala          |  5 ++---
 tests/{neg-deep-subtype => warn}/t2755.scala         |  5 ++---
 tests/{neg => warn}/t3235-minimal.scala              |  5 ++---
 tests/{neg => warn}/t5830.scala                      |  4 +---
 tests/{neg-deep-subtype => warn}/type-lambda.scala   |  4 +---
 tests/{neg => warn}/type-test-paths-2.scala          |  5 ++---
 tests/{neg => warn}/type-test-paths.scala            |  4 +---
 tests/{neg => warn}/type-test-syntesize-b.scala      |  5 ++---
 tests/{neg => warn}/xfatalWarnings.scala             |  3 +--
 127 files changed, 255 insertions(+), 386 deletions(-)
 delete mode 100644 tests/neg-deep-subtype/i3324.scala
 delete mode 100644 tests/neg/i10994.scala
 delete mode 100644 tests/neg/i11963a.scala
 delete mode 100644 tests/neg/i11963b.scala
 delete mode 100644 tests/neg/i11963c.scala
 delete mode 100644 tests/neg/i14705.scala
 delete mode 100644 tests/neg/i2673.scala
 delete mode 100644 tests/neg/i2673b.scala
 delete mode 100644 tests/neg/i2673c.scala
 delete mode 100644 tests/neg/i4936b.scala
 delete mode 100644 tests/neg/i6190b.scala
 delete mode 100644 tests/neg/i9266.scala
 delete mode 100644 tests/neg/i9751.scala
 delete mode 100644 tests/neg/manifest-summoning-b.scala
 delete mode 100644 tests/neg/old-syntax.scala
 delete mode 100644 tests/neg/ovlazy.scala
 rename tests/{neg => warn}/14034b.scala (66%)
 rename tests/{neg-deep-subtype => warn}/1828.scala (69%)
 rename tests/{neg-deep-subtype => warn}/3324b.scala (74%)
 rename tests/{neg-deep-subtype => warn}/3324f.scala (59%)
 rename tests/{neg-deep-subtype => warn}/3324g.scala (77%)
 rename tests/{neg => warn}/IsInstanceOfClassTag2.scala (82%)
 rename tests/{neg-deep-subtype => warn}/JavaSeqLiteral.scala (83%)
 rename tests/{neg => warn}/avoid-warn-deprecation.scala (58%)
 rename tests/{neg-deep-subtype => warn}/conditionalWarnings.scala (74%)
 rename tests/{neg => warn}/convertible.scala (85%)
 rename tests/{neg => warn}/deprecated-override.scala (52%)
 rename tests/{neg => warn}/feature-shadowing.scala (74%)
 rename tests/{neg => warn}/gadt-contradictory-pattern.scala (73%)
 rename tests/{neg-deep-subtype => warn}/gadt.scala (65%)
 rename tests/{neg-deep-subtype => warn}/html.scala (84%)
 rename tests/{neg => warn}/i10247.scala (84%)
 rename tests/{neg => warn}/i10930.scala (72%)
 create mode 100644 tests/warn/i10994.scala
 rename tests/{neg => warn}/i11022.scala (71%)
 rename tests/{neg => warn}/i11097.scala (83%)
 rename tests/{neg => warn}/i11225b.scala (63%)
 rename tests/{neg => warn}/i11333.scala (71%)
 rename tests/{neg => warn}/i11344.scala (60%)
 create mode 100644 tests/warn/i11963a.scala
 create mode 100644 tests/warn/i11963b.scala
 create mode 100644 tests/warn/i11963c.scala
 rename tests/{neg => warn}/i12253.scala (91%)
 rename tests/{neg => warn}/i12597.scala (54%)
 rename tests/{neg => warn}/i13011.scala (86%)
 rename tests/{neg => warn}/i13440.scala (57%)
 rename tests/{neg => warn}/i13542.scala (89%)
 create mode 100644 tests/warn/i14705.scala
 rename tests/{neg => warn}/i14721.scala (65%)
 rename tests/{neg => warn}/i15474.scala (81%)
 rename tests/{neg => warn}/i15479.scala (69%)
 rename tests/{neg => warn}/i15503a.scala (97%)
 rename tests/{neg => warn}/i15503b.scala (94%)
 rename tests/{neg => warn}/i15503c.scala (90%)
 rename tests/{neg => warn}/i15503d.scala (83%)
 rename tests/{neg => warn}/i15503e.scala (92%)
 rename tests/{neg => warn}/i15503f.scala (79%)
 rename tests/{neg => warn}/i15503g.scala (85%)
 rename tests/{neg => warn}/i15503h.scala (74%)
 rename tests/{neg => warn}/i15503j.scala (88%)
 rename tests/{neg => warn}/i15662.scala (78%)
 rename tests/{neg => warn}/i16639a.scala (97%)
 rename tests/{neg => warn}/i16649-refutable.scala (63%)
 rename tests/{neg => warn}/i16728.scala (85%)
 rename tests/{neg => warn}/i16930.scala (79%)
 rename tests/{neg => warn}/i17314b.scala (65%)
 rename tests/{neg => warn}/i17612a.scala (91%)
 rename tests/{neg => warn}/i17613a.scala (84%)
 rename tests/{neg => warn}/i2333.scala (60%)
 create mode 100644 tests/warn/i2673.scala
 create mode 100644 tests/warn/i2673b.scala
 create mode 100644 tests/warn/i2673c.scala
 create mode 100644 tests/warn/i3324.scala
 rename tests/{neg => warn}/i3561.scala (80%)
 rename tests/{neg => warn}/i4008.scala (93%)
 rename tests/{neg-deep-subtype => warn}/i4297.scala (88%)
 rename tests/{neg => warn}/i4364.scala (75%)
 create mode 100644 tests/warn/i4936b.scala
 rename tests/{neg => warn}/i4986b.scala (89%)
 rename tests/{neg => warn}/i5013.scala (73%)
 rename tests/{neg => warn}/i5013b.scala (75%)
 create mode 100644 tests/warn/i6190b.scala
 rename tests/{neg => warn}/i7314.scala (69%)
 rename tests/{neg => warn}/i7821.scala (83%)
 rename tests/{neg => warn}/i7821b.scala (80%)
 rename tests/{neg => warn}/i8427.scala (60%)
 rename tests/{neg => warn}/i8781b.scala (54%)
 rename tests/{neg => warn}/i8922b.scala (97%)
 rename tests/{neg => warn}/i9166.scala (53%)
 rename tests/{neg => warn}/i9241.scala (90%)
 create mode 100644 tests/warn/i9266.scala
 rename tests/{neg => warn}/i9408a.scala (94%)
 rename tests/{neg => warn}/i9740.scala (81%)
 rename tests/{neg => warn}/i9740b.scala (79%)
 rename tests/{neg => warn}/i9740c.scala (76%)
 rename tests/{neg => warn}/i9740d.scala (71%)
 create mode 100644 tests/warn/i9751.scala
 rename tests/{neg => warn}/i9776.scala (93%)
 rename tests/{neg => warn}/i9880.scala (85%)
 rename tests/{neg => warn}/implicit-conversions-old.scala (81%)
 rename tests/{neg => warn}/implicit-conversions.scala (81%)
 rename tests/{neg => warn}/infix.scala (92%)
 rename tests/{neg => warn}/inline-givens.scala (67%)
 rename tests/{neg => warn}/main-functions-nameclash.scala (56%)
 create mode 100644 tests/warn/manifest-summoning-b.scala
 rename tests/{neg => warn}/matchable.scala (84%)
 rename tests/{neg => warn}/newline-braces.scala (55%)
 rename tests/{neg => warn}/nonunit-statement.scala (97%)
 create mode 100644 tests/warn/old-syntax.scala
 rename tests/{neg => warn}/opaque-match.scala (75%)
 rename tests/{neg-deep-subtype => warn}/or-type-trees.scala (90%)
 create mode 100644 tests/warn/ovlazy.scala
 rename tests/{neg => warn}/quote-simple-hole.scala (77%)
 rename tests/{neg-deep-subtype => warn}/refined-types.scala (90%)
 rename tests/{neg => warn}/refinements-this.scala (52%)
 rename tests/{neg => warn}/strict-pattern-bindings-3.2.scala (90%)
 rename tests/{neg => warn}/supertraits-b.scala (84%)
 rename tests/{neg => warn}/switches.scala (97%)
 rename tests/{neg => warn}/symbolic-packages.scala (59%)
 rename tests/{neg-deep-subtype => warn}/t2755.scala (95%)
 rename tests/{neg => warn}/t3235-minimal.scala (74%)
 rename tests/{neg => warn}/t5830.scala (69%)
 rename tests/{neg-deep-subtype => warn}/type-lambda.scala (74%)
 rename tests/{neg => warn}/type-test-paths-2.scala (91%)
 rename tests/{neg => warn}/type-test-paths.scala (87%)
 rename tests/{neg => warn}/type-test-syntesize-b.scala (82%)
 rename tests/{neg => warn}/xfatalWarnings.scala (74%)

diff --git a/tests/neg-deep-subtype/i3324.scala b/tests/neg-deep-subtype/i3324.scala
deleted file mode 100644
index 154f0e5eb64d..000000000000
--- a/tests/neg-deep-subtype/i3324.scala
+++ /dev/null
@@ -1,8 +0,0 @@
-//> using options -Xfatal-warnings
-
-class Foo {
-  def foo(x: Any): Boolean =
-    x.isInstanceOf[List[String]]  // warn
-}
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i10994.scala b/tests/neg/i10994.scala
deleted file mode 100644
index ce553c77c5ae..000000000000
--- a/tests/neg/i10994.scala
+++ /dev/null
@@ -1,6 +0,0 @@
-//> using options -Xfatal-warnings
-
-def foo = true match
-  case (b: Boolean): Boolean => ()  // warn
-
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i11963a.scala b/tests/neg/i11963a.scala
deleted file mode 100644
index 5212a51826c4..000000000000
--- a/tests/neg/i11963a.scala
+++ /dev/null
@@ -1,5 +0,0 @@
-//> using options -Xfatal-warnings
-
-open trait Foo // warn
-
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i11963b.scala b/tests/neg/i11963b.scala
deleted file mode 100644
index e549488b79b7..000000000000
--- a/tests/neg/i11963b.scala
+++ /dev/null
@@ -1,5 +0,0 @@
-//> using options -Xfatal-warnings
-
-open abstract class Foo // warn
-
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i11963c.scala b/tests/neg/i11963c.scala
deleted file mode 100644
index 8e91632f0bc2..000000000000
--- a/tests/neg/i11963c.scala
+++ /dev/null
@@ -1,10 +0,0 @@
-//> using options -Xfatal-warnings
-
-object Test {
-  def foo: Any = {
-    open class Bar // warn
-    new Bar
-  }
-}
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i14705.scala b/tests/neg/i14705.scala
deleted file mode 100644
index 36646130a8a8..000000000000
--- a/tests/neg/i14705.scala
+++ /dev/null
@@ -1,7 +0,0 @@
-//> using options -Xfatal-warnings
-
-val n = Nil
-val b = n.head.isInstanceOf[String] // warn
-
-// nopos-error: No warnings can be incurred under -Werror.
-
diff --git a/tests/neg/i2673.scala b/tests/neg/i2673.scala
deleted file mode 100644
index 77abe1a06d16..000000000000
--- a/tests/neg/i2673.scala
+++ /dev/null
@@ -1,8 +0,0 @@
-//> using options -Xfatal-warnings
-
-package Foos
-
-class Foo // warn
-class foo
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i2673b.scala b/tests/neg/i2673b.scala
deleted file mode 100644
index 6481ab469943..000000000000
--- a/tests/neg/i2673b.scala
+++ /dev/null
@@ -1,8 +0,0 @@
-//> using options -Xfatal-warnings
-
-package Foos
-
-class Bar // warn
-object bar
-
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i2673c.scala b/tests/neg/i2673c.scala
deleted file mode 100644
index 46e8ff828c18..000000000000
--- a/tests/neg/i2673c.scala
+++ /dev/null
@@ -1,10 +0,0 @@
-//> using options -Xfatal-warnings
-
-package Foos
-
-object Outer {
-  case class X() // warn
-  object x
-}
-
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i4936b.scala b/tests/neg/i4936b.scala
deleted file mode 100644
index 80d9de8aeb7d..000000000000
--- a/tests/neg/i4936b.scala
+++ /dev/null
@@ -1,5 +0,0 @@
-//> using options -Xfatal-warnings
-
-final object Foo // warn
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i6190b.scala b/tests/neg/i6190b.scala
deleted file mode 100644
index 2f81d0a5a759..000000000000
--- a/tests/neg/i6190b.scala
+++ /dev/null
@@ -1,7 +0,0 @@
-//> using options -Xfatal-warnings
-
-case class Rule(name: String)
-
-def foo = List("1", "2").map(Rule)  // warn
-
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i9266.scala b/tests/neg/i9266.scala
deleted file mode 100644
index 168f1fa1b551..000000000000
--- a/tests/neg/i9266.scala
+++ /dev/null
@@ -1,7 +0,0 @@
-//> using options -Xfatal-warnings
-
-import language.`future-migration`
-
-def test = { implicit x: Int => x + x } // warn
-
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i9751.scala b/tests/neg/i9751.scala
deleted file mode 100644
index 1b3fa1a01656..000000000000
--- a/tests/neg/i9751.scala
+++ /dev/null
@@ -1,12 +0,0 @@
-//> using options -Xfatal-warnings
-
-def f(): Unit = {
-  () // warn
-  ()
-}
-
-inline def g(): Unit = {
-  () // warn
-  ()
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/manifest-summoning-b.scala b/tests/neg/manifest-summoning-b.scala
deleted file mode 100644
index 83e8b69ead00..000000000000
--- a/tests/neg/manifest-summoning-b.scala
+++ /dev/null
@@ -1,5 +0,0 @@
-//> using options -Xfatal-warnings -deprecation
-
-val foo = manifest[List[? <: Int]] // warn
-val bar = optManifest[Array[? <: String]] // warn
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/old-syntax.scala b/tests/neg/old-syntax.scala
deleted file mode 100644
index 4f031c96c4c4..000000000000
--- a/tests/neg/old-syntax.scala
+++ /dev/null
@@ -1,6 +0,0 @@
-//> using options -Xfatal-warnings -deprecation
-
-val f = (x: Int) ⇒ x + 1  // warn
-
-val list = for (n ← List(42)) yield n + 1  // warn
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/ovlazy.scala b/tests/neg/ovlazy.scala
deleted file mode 100644
index 1331589c5d3b..000000000000
--- a/tests/neg/ovlazy.scala
+++ /dev/null
@@ -1,10 +0,0 @@
-//> using options -source 3.0-migration -Xfatal-warnings
-
-class A {
-  val x: Int = 1
-}
-class B extends A {
-  override lazy val x: Int = 2 // warn
-}
-
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/14034b.scala b/tests/warn/14034b.scala
similarity index 66%
rename from tests/neg/14034b.scala
rename to tests/warn/14034b.scala
index 7f9f4e8f1cac..fdef353f7aca 100644
--- a/tests/neg/14034b.scala
+++ b/tests/warn/14034b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -deprecation
+//> using options  -deprecation
 
 @deprecated trait Exp
 @deprecated val exp = 1
@@ -12,5 +12,4 @@ type Bar = Option[exp.type] // warn
 type Baz = Exp | Int // warn
 type Quux = [X] =>> X match
   case Exp => Int // warn
-type Quuz[A <: Exp] = Int // warn
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+type Quuz[A <: Exp] = Int // warn
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/1828.scala b/tests/warn/1828.scala
similarity index 69%
rename from tests/neg-deep-subtype/1828.scala
rename to tests/warn/1828.scala
index 9cab8e76e832..2231967a53e0 100644
--- a/tests/neg-deep-subtype/1828.scala
+++ b/tests/warn/1828.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class Test {
   def remove[S](a: S | Int, f: Int => S):S = a match {
@@ -9,5 +9,3 @@ class Test {
   val t: Int | String = 5
   val t1 = remove[String](t, _.toString)
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/3324b.scala b/tests/warn/3324b.scala
similarity index 74%
rename from tests/neg-deep-subtype/3324b.scala
rename to tests/warn/3324b.scala
index 71ffde73fbdc..9a2011d18012 100644
--- a/tests/neg-deep-subtype/3324b.scala
+++ b/tests/warn/3324b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class C[T] {
   val x: Any = ???
@@ -8,5 +8,4 @@ class C[T] {
         case x: List[String] =>     // warn: unchecked
         case x: T =>                // warn: unchecked
       }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/3324f.scala b/tests/warn/3324f.scala
similarity index 59%
rename from tests/neg-deep-subtype/3324f.scala
rename to tests/warn/3324f.scala
index e73bd0d05eed..86af918b0d5a 100644
--- a/tests/neg-deep-subtype/3324f.scala
+++ b/tests/warn/3324f.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 trait C[T]
 class D[T]
@@ -8,5 +8,4 @@ class Test {
     case _: D[T] =>    // warn
     case _: C[Int] =>  // warn
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/3324g.scala b/tests/warn/3324g.scala
similarity index 77%
rename from tests/neg-deep-subtype/3324g.scala
rename to tests/warn/3324g.scala
index cd1fc660bed8..23ff4b3d23f9 100644
--- a/tests/neg-deep-subtype/3324g.scala
+++ b/tests/warn/3324g.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class Test {
   trait A[+T]
@@ -18,5 +18,4 @@ class Test {
   }
 
   quux(new C[Int])
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/IsInstanceOfClassTag2.scala b/tests/warn/IsInstanceOfClassTag2.scala
similarity index 82%
rename from tests/neg/IsInstanceOfClassTag2.scala
rename to tests/warn/IsInstanceOfClassTag2.scala
index a2a7194d4e39..c41a94d86c6d 100644
--- a/tests/neg/IsInstanceOfClassTag2.scala
+++ b/tests/warn/IsInstanceOfClassTag2.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.reflect.TypeTest
 
@@ -23,4 +23,3 @@ object IsInstanceOfClassTag {
   }
 }
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg-deep-subtype/JavaSeqLiteral.scala b/tests/warn/JavaSeqLiteral.scala
similarity index 83%
rename from tests/neg-deep-subtype/JavaSeqLiteral.scala
rename to tests/warn/JavaSeqLiteral.scala
index 863b4f436f89..9652a9fa502c 100644
--- a/tests/neg-deep-subtype/JavaSeqLiteral.scala
+++ b/tests/warn/JavaSeqLiteral.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 object Test1 {
   trait Tree[-T]
@@ -29,5 +29,3 @@ object Test2 {
 
   foo1(new DummyTree)
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/avoid-warn-deprecation.scala b/tests/warn/avoid-warn-deprecation.scala
similarity index 58%
rename from tests/neg/avoid-warn-deprecation.scala
rename to tests/warn/avoid-warn-deprecation.scala
index f14ebd30a98f..364added5e8a 100644
--- a/tests/neg/avoid-warn-deprecation.scala
+++ b/tests/warn/avoid-warn-deprecation.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -feature
+//> using options  -feature
 
 object A {
   @deprecated("use bar instead of this one", "0.2.3")
@@ -8,5 +8,4 @@ object A {
 object B {
   A.foo
 }
-// nopos-warn there was 1 deprecation warning; re-run with -deprecation for details
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+// nopos-warn there was 1 deprecation warning; re-run with -deprecation for details
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/conditionalWarnings.scala b/tests/warn/conditionalWarnings.scala
similarity index 74%
rename from tests/neg-deep-subtype/conditionalWarnings.scala
rename to tests/warn/conditionalWarnings.scala
index c818b70b8ee5..5ab63c263abf 100644
--- a/tests/neg-deep-subtype/conditionalWarnings.scala
+++ b/tests/warn/conditionalWarnings.scala
@@ -1,4 +1,4 @@
-//> using options -deprecation -Xfatal-warnings
+//> using options -deprecation 
 
 object Test {
   @deprecated def foo = ???
@@ -12,5 +12,4 @@ object Test {
     // The program compiles with final line
     // there was 1 feature warning; re-run with -feature for details
     // nopos-warn
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/convertible.scala b/tests/warn/convertible.scala
similarity index 85%
rename from tests/neg/convertible.scala
rename to tests/warn/convertible.scala
index 9ddc75a982a7..c98006ecdc9b 100644
--- a/tests/neg/convertible.scala
+++ b/tests/warn/convertible.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -feature
+//> using options  -feature
 
 import language.experimental.into
 
@@ -27,5 +27,4 @@ object Test:
 
   def h(x: into Text) =
     val y = h1(x)
-    y("abc")  // warn, inference through type variable does not propagate
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+    y("abc")  // warn, inference through type variable does not propagate
\ No newline at end of file
diff --git a/tests/neg/deprecated-override.scala b/tests/warn/deprecated-override.scala
similarity index 52%
rename from tests/neg/deprecated-override.scala
rename to tests/warn/deprecated-override.scala
index c167dd720666..2d0b0ceb4aea 100644
--- a/tests/neg/deprecated-override.scala
+++ b/tests/warn/deprecated-override.scala
@@ -1,4 +1,4 @@
-//> using options -source future -deprecation -Xfatal-warnings
+//> using options -source future -deprecation 
 
 trait A:
   def f: Int
@@ -12,5 +12,4 @@ class C extends B:
 trait D extends A:
   override def f = 3
 
-object E extends B, D  // warn
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+object E extends B, D  // warn
\ No newline at end of file
diff --git a/tests/neg/feature-shadowing.scala b/tests/warn/feature-shadowing.scala
similarity index 74%
rename from tests/neg/feature-shadowing.scala
rename to tests/warn/feature-shadowing.scala
index 891d8735aa41..301f24b241f7 100644
--- a/tests/neg/feature-shadowing.scala
+++ b/tests/warn/feature-shadowing.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -feature
+//> using options  -feature
 
 import language.implicitConversions
 given Conversion[Int, String] = _.toString
@@ -13,4 +13,3 @@ object a:
     object c:
       import language.implicitConversions
       val s: String = 3   // OK again
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/gadt-contradictory-pattern.scala b/tests/warn/gadt-contradictory-pattern.scala
similarity index 73%
rename from tests/neg/gadt-contradictory-pattern.scala
rename to tests/warn/gadt-contradictory-pattern.scala
index ed8b343c9545..b9c004efbe34 100644
--- a/tests/neg/gadt-contradictory-pattern.scala
+++ b/tests/warn/gadt-contradictory-pattern.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wimplausible-patterns
+//> using options  -Wimplausible-patterns
 object Test {
   sealed abstract class Foo[T]
   case object Bar1 extends Foo[Int]
@@ -11,5 +11,4 @@ object Test {
     case (Bar3, _) => ()
   }
 
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/gadt.scala b/tests/warn/gadt.scala
similarity index 65%
rename from tests/neg-deep-subtype/gadt.scala
rename to tests/warn/gadt.scala
index ec59ca53572c..9d7b81220284 100644
--- a/tests/neg-deep-subtype/gadt.scala
+++ b/tests/warn/gadt.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class Test {
   trait A[+T]
@@ -13,5 +13,3 @@ class Test {
 
   quux(new B[D])
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/html.scala b/tests/warn/html.scala
similarity index 84%
rename from tests/neg-deep-subtype/html.scala
rename to tests/warn/html.scala
index 4257859e7156..98189c1bf2cb 100644
--- a/tests/neg-deep-subtype/html.scala
+++ b/tests/warn/html.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 object HTML:
   type AttrArg = AppliedAttr | Seq[AppliedAttr]
@@ -18,5 +18,3 @@ object HTML:
       }
       sb
     }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i10247.scala b/tests/warn/i10247.scala
similarity index 84%
rename from tests/neg/i10247.scala
rename to tests/warn/i10247.scala
index e98b2dc6e9c2..aa344362cac2 100644
--- a/tests/neg/i10247.scala
+++ b/tests/warn/i10247.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -deprecation
+//> using options  -deprecation
 
 def usered = Color.Red // warn: value Red is deprecated
 
@@ -25,5 +25,4 @@ enum Color {
 
 object Color {
   def useFoo2 = DeprecatedContainer.foo // warn // check that only enum cases are avoided
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i10930.scala b/tests/warn/i10930.scala
similarity index 72%
rename from tests/neg/i10930.scala
rename to tests/warn/i10930.scala
index fe9009a52292..5d88235d0951 100644
--- a/tests/neg/i10930.scala
+++ b/tests/warn/i10930.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import language.future
 @main def Test =
@@ -12,5 +12,4 @@ import language.future
     case x: String      => x.charAt(0)       // warn
     case x: Array[t]    => leafElem(x(1))    // warn
     case x: Iterable[t] => leafElem(x.head)  // warn
-    case x: AnyVal      => x                 // warn
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+    case x: AnyVal      => x                 // warn
\ No newline at end of file
diff --git a/tests/warn/i10994.scala b/tests/warn/i10994.scala
new file mode 100644
index 000000000000..74fe3bba3778
--- /dev/null
+++ b/tests/warn/i10994.scala
@@ -0,0 +1,5 @@
+
+
+def foo = true match
+  case (b: Boolean): Boolean => ()  // warn
+
diff --git a/tests/neg/i11022.scala b/tests/warn/i11022.scala
similarity index 71%
rename from tests/neg/i11022.scala
rename to tests/warn/i11022.scala
index 475f65695251..8e2de9d8f519 100644
--- a/tests/neg/i11022.scala
+++ b/tests/warn/i11022.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -deprecation
+//> using options  -deprecation
 
 @deprecated("no CaseClass")
 case class CaseClass(rgb: Int):
@@ -10,5 +10,4 @@ object CaseClass:
 val a: CaseClass = CaseClass(42)        // warn: deprecated type // warn: deprecated apply method
 val b: CaseClass = new CaseClass(42)    // warn: deprecated type // warn: deprecated class
 val c: Unit = CaseClass(42).magic()     // warn: deprecated apply method
-val d: Unit = CaseClass.notDeprecated() // compiles
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+val d: Unit = CaseClass.notDeprecated() // compiles
\ No newline at end of file
diff --git a/tests/neg/i11097.scala b/tests/warn/i11097.scala
similarity index 83%
rename from tests/neg/i11097.scala
rename to tests/warn/i11097.scala
index b1f0b0bfd300..51c02a627a15 100644
--- a/tests/neg/i11097.scala
+++ b/tests/warn/i11097.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 @main def test: Unit = {
   class C { type T1; type T2 }
@@ -12,5 +12,4 @@
 
   // ClassCastException: class java.lang.Integer cannot be cast to class java.lang.String
   val x = pmatch(new C { type T1 = String; type T2 = String })
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i11225b.scala b/tests/warn/i11225b.scala
similarity index 63%
rename from tests/neg/i11225b.scala
rename to tests/warn/i11225b.scala
index b66cd3865f49..ad4e747fdc86 100644
--- a/tests/neg/i11225b.scala
+++ b/tests/warn/i11225b.scala
@@ -1,4 +1,4 @@
-//> using options -source future -deprecation -Xfatal-warnings
+//> using options -source future -deprecation 
 
 import compiletime.uninitialized
 
@@ -11,4 +11,3 @@ class Memo[A](x: => A):
       cached = x
     cached
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i11333.scala b/tests/warn/i11333.scala
similarity index 71%
rename from tests/neg/i11333.scala
rename to tests/warn/i11333.scala
index 5149a99e7063..210916b30aaf 100644
--- a/tests/neg/i11333.scala
+++ b/tests/warn/i11333.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class C:
   val f1: Float  = 123456789            // warn
@@ -11,5 +11,4 @@ class C:
 
   val f1_b: Float  = i1 // warn
   val d1_b: Double = l1 // warn
-  val f2_b: Float  = l2 // warn
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+  val f2_b: Float  = l2 // warn
\ No newline at end of file
diff --git a/tests/neg/i11344.scala b/tests/warn/i11344.scala
similarity index 60%
rename from tests/neg/i11344.scala
rename to tests/warn/i11344.scala
index 04c1b6f7f2d3..f8af81369162 100644
--- a/tests/neg/i11344.scala
+++ b/tests/warn/i11344.scala
@@ -1,10 +1,9 @@
-//> using options -Xfatal-warnings -deprecation
+//> using options  -deprecation
 
 trait Pet(val name: String, rest: Int):
    def f(suffix: String) = s"$name$suffix$rest"
 
 class Birdie(override val name: String) extends Pet("huh", 1) // warn
 
-// nopos-error: No warnings can be incurred under -Werror.
 
 
diff --git a/tests/warn/i11963a.scala b/tests/warn/i11963a.scala
new file mode 100644
index 000000000000..b6743d92a4ac
--- /dev/null
+++ b/tests/warn/i11963a.scala
@@ -0,0 +1,4 @@
+
+
+open trait Foo // warn
+
diff --git a/tests/warn/i11963b.scala b/tests/warn/i11963b.scala
new file mode 100644
index 000000000000..5868e6979214
--- /dev/null
+++ b/tests/warn/i11963b.scala
@@ -0,0 +1,4 @@
+
+
+open abstract class Foo // warn
+
diff --git a/tests/warn/i11963c.scala b/tests/warn/i11963c.scala
new file mode 100644
index 000000000000..245b436ee1e9
--- /dev/null
+++ b/tests/warn/i11963c.scala
@@ -0,0 +1,8 @@
+
+
+object Test {
+  def foo: Any = {
+    open class Bar // warn
+    new Bar
+  }
+}
diff --git a/tests/neg/i12253.scala b/tests/warn/i12253.scala
similarity index 91%
rename from tests/neg/i12253.scala
rename to tests/warn/i12253.scala
index 51677c10b5f0..313ef4584098 100644
--- a/tests/neg/i12253.scala
+++ b/tests/warn/i12253.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.quoted.{given, *}
 import deriving.*,  compiletime.*
@@ -27,5 +27,3 @@ object MacroUtils:
 
   end Extractors
 end MacroUtils
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i12597.scala b/tests/warn/i12597.scala
similarity index 54%
rename from tests/neg/i12597.scala
rename to tests/warn/i12597.scala
index 241e1b09e2a9..57546a69b173 100644
--- a/tests/neg/i12597.scala
+++ b/tests/warn/i12597.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -deprecation
+//> using options  -deprecation
 
 @main def Test =
   val a: IArray[Int] = IArray(2)
@@ -6,4 +6,3 @@
   val c = b.toArray // warn: deprecated
   c(0) = ""
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i13011.scala b/tests/warn/i13011.scala
similarity index 86%
rename from tests/neg/i13011.scala
rename to tests/warn/i13011.scala
index fca3fcf7dded..0675ec936d0c 100644
--- a/tests/neg/i13011.scala
+++ b/tests/warn/i13011.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class i13011 {
   lazy implicit val simple1: String = simple1 // warn
@@ -20,5 +20,4 @@ class i13011 {
   }
 
   lazy val simple7: Function0[Any] = () => this.simple7  // Ok
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i13440.scala b/tests/warn/i13440.scala
similarity index 57%
rename from tests/neg/i13440.scala
rename to tests/warn/i13440.scala
index 6b8bf99e08d3..4f1337391d61 100644
--- a/tests/neg/i13440.scala
+++ b/tests/warn/i13440.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import language.`3.0-migration`
 
@@ -6,5 +6,4 @@ def given = 42 // warn
 
 case class C(enum: List[Int] = Nil) { // warn
   val s = s"$enum" // warn
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i13542.scala b/tests/warn/i13542.scala
similarity index 89%
rename from tests/neg/i13542.scala
rename to tests/warn/i13542.scala
index 404ddc0af2e5..f573aafadc7a 100644
--- a/tests/neg/i13542.scala
+++ b/tests/warn/i13542.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.language.implicitConversions
 
@@ -44,5 +44,4 @@ val x6 =
   implicit def barToFoo4(bar: Bar): Foo =
     lazy val y = bar.toFoo
     if false then y else ???
-  val foo: Foo = Bar(1)
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+  val foo: Foo = Bar(1)
\ No newline at end of file
diff --git a/tests/warn/i14705.scala b/tests/warn/i14705.scala
new file mode 100644
index 000000000000..a6c56ed8b927
--- /dev/null
+++ b/tests/warn/i14705.scala
@@ -0,0 +1,6 @@
+
+
+val n = Nil
+val b = n.head.isInstanceOf[String] // warn
+
+
diff --git a/tests/neg/i14721.scala b/tests/warn/i14721.scala
similarity index 65%
rename from tests/neg/i14721.scala
rename to tests/warn/i14721.scala
index 46b9c4bb5b2a..9739bab5801b 100644
--- a/tests/neg/i14721.scala
+++ b/tests/warn/i14721.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class C:
   def op: Unit = println("op")
@@ -8,4 +8,3 @@ class C:
     catch case _: NullPointerException =>
     handler   // warn
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i15474.scala b/tests/warn/i15474.scala
similarity index 81%
rename from tests/neg/i15474.scala
rename to tests/warn/i15474.scala
index ff4fd7b641ef..20c203fe6e27 100644
--- a/tests/neg/i15474.scala
+++ b/tests/warn/i15474.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.language.implicitConversions
 
@@ -15,5 +15,4 @@ object Prices {
   object Price{
     given Ordering[Price] = summon[Ordering[BigDecimal]] // warn
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i15479.scala b/tests/warn/i15479.scala
similarity index 69%
rename from tests/neg/i15479.scala
rename to tests/warn/i15479.scala
index 0da30ab749e2..b69296ae23e4 100644
--- a/tests/neg/i15479.scala
+++ b/tests/warn/i15479.scala
@@ -1,4 +1,4 @@
-//> using options -source future -deprecation -Xfatal-warnings
+//> using options -source future -deprecation 
 
 package deptest {
   @deprecated("Not used any more", since="7")
@@ -16,5 +16,3 @@ package depuser {
     }
   }
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i15503a.scala b/tests/warn/i15503a.scala
similarity index 97%
rename from tests/neg/i15503a.scala
rename to tests/warn/i15503a.scala
index b4655a37db33..df8691c21a13 100644
--- a/tests/neg/i15503a.scala
+++ b/tests/warn/i15503a.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:imports
+//> using options  -Wunused:imports
 
 
 object FooUnused:
@@ -265,5 +265,4 @@ package foo.test.typeapply.hklamdba.i16680:
     import foo.IO // OK
 
     def f[F[_]]: String = "hello"
-    def go = f[IO]
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+    def go = f[IO]
\ No newline at end of file
diff --git a/tests/neg/i15503b.scala b/tests/warn/i15503b.scala
similarity index 94%
rename from tests/neg/i15503b.scala
rename to tests/warn/i15503b.scala
index f828812dfe5b..7ab86026ff00 100644
--- a/tests/neg/i15503b.scala
+++ b/tests/warn/i15503b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:locals
+//> using options  -Wunused:locals
 
 val a = 1 // OK
 
@@ -141,5 +141,4 @@ package test.foo.twisted.i16682:
     }
     isInt
 
-  def f = myPackage("42")
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+  def f = myPackage("42")
\ No newline at end of file
diff --git a/tests/neg/i15503c.scala b/tests/warn/i15503c.scala
similarity index 90%
rename from tests/neg/i15503c.scala
rename to tests/warn/i15503c.scala
index 6475302e2f1d..7ca7fecd1f8d 100644
--- a/tests/neg/i15503c.scala
+++ b/tests/warn/i15503c.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:privates
+//> using options  -Wunused:privates
 trait C
 class A:
   self: C => // OK
@@ -54,5 +54,4 @@ package test.foo.i16682:
         case _ => println("NaN")
     }
 
-  def f = myPackage.isInt("42")
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+  def f = myPackage.isInt("42")
\ No newline at end of file
diff --git a/tests/neg/i15503d.scala b/tests/warn/i15503d.scala
similarity index 83%
rename from tests/neg/i15503d.scala
rename to tests/warn/i15503d.scala
index 82e94e60ba75..5cda54fc5c42 100644
--- a/tests/neg/i15503d.scala
+++ b/tests/warn/i15503d.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:unsafe-warn-patvars
+//> using options  -Wunused:unsafe-warn-patvars
 // todo : change to :patvars
 
 sealed trait Calc
@@ -27,5 +27,4 @@ val a = Sum(S(S(Z)),Z) match {
 // todo : This should *NOT* pass in the future
 // val c = for {
 //   case Some(x) <- Option(Option(1))
-// } println(s"hello world")
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+// } println(s"hello world")
\ No newline at end of file
diff --git a/tests/neg/i15503e.scala b/tests/warn/i15503e.scala
similarity index 92%
rename from tests/neg/i15503e.scala
rename to tests/warn/i15503e.scala
index 84c5066dff57..46d73a4945cd 100644
--- a/tests/neg/i15503e.scala
+++ b/tests/warn/i15503e.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:explicits
+//> using options  -Wunused:explicits
 
 object Foo {
   /* This goes around the "trivial method" detection */
@@ -67,5 +67,4 @@ package foo.test.i16865:
     def fn(a: Int, b: Int): Int = b + 3 // OK
 
   object Ex2 extends Bar:
-    override def fn(a: Int, b: Int): Int = b + 3 // OK
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+    override def fn(a: Int, b: Int): Int = b + 3 // OK
\ No newline at end of file
diff --git a/tests/neg/i15503f.scala b/tests/warn/i15503f.scala
similarity index 79%
rename from tests/neg/i15503f.scala
rename to tests/warn/i15503f.scala
index bea7cdf2a408..ccf0b7e74065 100644
--- a/tests/neg/i15503f.scala
+++ b/tests/warn/i15503f.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:implicits
+//> using options  -Wunused:implicits
 
 /* This goes around the "trivial method" detection */
 val default_int = 1
@@ -12,5 +12,3 @@ object Xd {
   private def f7(a: Int)(using Int) = summon[Int] + a // OK
   private def f8(a: Int)(using foo: Int) = a // warn
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i15503g.scala b/tests/warn/i15503g.scala
similarity index 85%
rename from tests/neg/i15503g.scala
rename to tests/warn/i15503g.scala
index 2f74c48cdbcc..fbd9f3c1352c 100644
--- a/tests/neg/i15503g.scala
+++ b/tests/warn/i15503g.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:params
+//> using options  -Wunused:params
 
 /* This goes around the "trivial method" detection */
 object Foo {
@@ -20,5 +20,4 @@ package foo.test.i17101:
   extension[A] (x: Test[A]) { // OK
     def value: A = x
     def causesIssue: Unit = println("oh no")
-  }
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+  }
\ No newline at end of file
diff --git a/tests/neg/i15503h.scala b/tests/warn/i15503h.scala
similarity index 74%
rename from tests/neg/i15503h.scala
rename to tests/warn/i15503h.scala
index a384df26b5f9..854693981488 100644
--- a/tests/neg/i15503h.scala
+++ b/tests/warn/i15503h.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:linted
+//> using options  -Wunused:linted
 
 import collection.mutable.Set // warn
 
@@ -17,5 +17,4 @@ class A {
   def g(x: Int): Int = x match
     case x:1 => 0 // OK
     case _ => 1
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i15503j.scala b/tests/warn/i15503j.scala
similarity index 88%
rename from tests/neg/i15503j.scala
rename to tests/warn/i15503j.scala
index 2d40b5b49d24..f5e15bb79f79 100644
--- a/tests/neg/i15503j.scala
+++ b/tests/warn/i15503j.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:strict-no-implicit-warn
+//> using options  -Wunused:strict-no-implicit-warn
 
 package foo.unused.strict.test:
   package a:
@@ -56,5 +56,4 @@ package foo.unused.summon.inlines:
       new {}
 
     val b: B = summon[B]
-    val c: C = summon[C]
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+    val c: C = summon[C]
\ No newline at end of file
diff --git a/tests/neg/i15662.scala b/tests/warn/i15662.scala
similarity index 78%
rename from tests/neg/i15662.scala
rename to tests/warn/i15662.scala
index 366661c7bae4..72962e67a251 100644
--- a/tests/neg/i15662.scala
+++ b/tests/warn/i15662.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 case class Composite[T](v: T)
 
@@ -14,5 +14,3 @@ def m2(composite: Composite[_]): Unit =
 
 @main def Test =
   m(Composite("This is String"))
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i16639a.scala b/tests/warn/i16639a.scala
similarity index 97%
rename from tests/neg/i16639a.scala
rename to tests/warn/i16639a.scala
index 907fed7f0765..71812e23f636 100644
--- a/tests/neg/i16639a.scala
+++ b/tests/warn/i16639a.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:all
+//> using options  -Wunused:all
 //
 class Bippy(a: Int, b: Int) {
   private def this(c: Int) = this(c, c)           // warn /Dotty:NoWarn
@@ -203,5 +203,4 @@ trait `short comings` {
     val x = 42 // warn /Dotty only triggers in dotty
     17
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i16649-refutable.scala b/tests/warn/i16649-refutable.scala
similarity index 63%
rename from tests/neg/i16649-refutable.scala
rename to tests/warn/i16649-refutable.scala
index 62336caf87df..5ff18b5a3633 100644
--- a/tests/neg/i16649-refutable.scala
+++ b/tests/warn/i16649-refutable.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import quoted.*
 
@@ -8,4 +8,3 @@ def foo(using Quotes)(x: Expr[Int]) =
   val '{ $b: Any } = x
   val '{ $c } = x
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i16728.scala b/tests/warn/i16728.scala
similarity index 85%
rename from tests/neg/i16728.scala
rename to tests/warn/i16728.scala
index 8d00b4fbea3b..4d28b07c51a3 100644
--- a/tests/neg/i16728.scala
+++ b/tests/warn/i16728.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class A[T] {
   class X {
@@ -32,5 +32,3 @@ object Test {
 
   }
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i16930.scala b/tests/warn/i16930.scala
similarity index 79%
rename from tests/neg/i16930.scala
rename to tests/warn/i16930.scala
index 6028b939813a..bf30fccbf601 100644
--- a/tests/neg/i16930.scala
+++ b/tests/warn/i16930.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:imports
+//> using options  -Wunused:imports
 
 trait Outer:
   trait Used
@@ -19,5 +19,4 @@ object Test1 {
   val outer1: Outer1 = ???
   import outer1.{Unused1, UnusedToo1} // warn // warn
   def foo() = outer1.unusedToo1 // in this case UnusedToo1 is not used explicitly, only inferred
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i17314b.scala b/tests/warn/i17314b.scala
similarity index 65%
rename from tests/neg/i17314b.scala
rename to tests/warn/i17314b.scala
index be7fda4682f7..e1500028ca93 100644
--- a/tests/neg/i17314b.scala
+++ b/tests/warn/i17314b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wunused:all
+//> using options  -Wunused:all
 
 package foo:
   class Foo[T]
@@ -13,4 +13,3 @@ package bar:
 
   val repro: Foo[Int] = summon[Foo[Int]]
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i17612a.scala b/tests/warn/i17612a.scala
similarity index 91%
rename from tests/neg/i17612a.scala
rename to tests/warn/i17612a.scala
index 5aba92b095f3..2ae9bd75ccea 100644
--- a/tests/neg/i17612a.scala
+++ b/tests/warn/i17612a.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Xlint:private-shadow
+//> using options  -Xlint:private-shadow
 
 object i17612a:
 	class Base(var x: Int, val y: Int, var z: Int):
@@ -39,5 +39,4 @@ object i17612a:
 		derived.increment()
 		println(derived.toString)     // still x: '1', probably unexpected, for y it never prints the super value, less surprising
 		println(derived.shadowed2)
-		println(derived.shadowed3)
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+		println(derived.shadowed3)
\ No newline at end of file
diff --git a/tests/neg/i17613a.scala b/tests/warn/i17613a.scala
similarity index 84%
rename from tests/neg/i17613a.scala
rename to tests/warn/i17613a.scala
index e161c5908297..6ee55a5cf973 100644
--- a/tests/neg/i17613a.scala
+++ b/tests/warn/i17613a.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Xlint:type-parameter-shadow
+//> using options  -Xlint:type-parameter-shadow
 
 object i17613a:
 	class B:
@@ -20,5 +20,4 @@ object i17613a:
 		class F[A, M[N[A]]]
 		type G[A, M[L[A]]] = Int
 		def bar[A, N[M[L[A]]]] = ???
-	def main(args: Array[String]) = println("Test for type parameter shadow")
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+	def main(args: Array[String]) = println("Test for type parameter shadow")
\ No newline at end of file
diff --git a/tests/neg/i2333.scala b/tests/warn/i2333.scala
similarity index 60%
rename from tests/neg/i2333.scala
rename to tests/warn/i2333.scala
index 5cbf8fcd40cb..1ac5eb314325 100644
--- a/tests/neg/i2333.scala
+++ b/tests/warn/i2333.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -deprecation
+//> using options  -deprecation
 
 @deprecated("bla", "2.11.0") class Foo {
   println("")
@@ -8,5 +8,4 @@
 object Test {
   new Foo // warn: deprecated
   new Foo(1) // warn: deprecated
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/warn/i2673.scala b/tests/warn/i2673.scala
new file mode 100644
index 000000000000..a04e3b370d56
--- /dev/null
+++ b/tests/warn/i2673.scala
@@ -0,0 +1,6 @@
+
+
+package Foos
+
+class Foo // warn
+class foo
diff --git a/tests/warn/i2673b.scala b/tests/warn/i2673b.scala
new file mode 100644
index 000000000000..0d11317cd9e6
--- /dev/null
+++ b/tests/warn/i2673b.scala
@@ -0,0 +1,7 @@
+
+
+package Foos
+
+class Bar // warn
+object bar
+
diff --git a/tests/warn/i2673c.scala b/tests/warn/i2673c.scala
new file mode 100644
index 000000000000..682e4adfa2c9
--- /dev/null
+++ b/tests/warn/i2673c.scala
@@ -0,0 +1,9 @@
+
+
+package Foos
+
+object Outer {
+  case class X() // warn
+  object x
+}
+
diff --git a/tests/warn/i3324.scala b/tests/warn/i3324.scala
new file mode 100644
index 000000000000..ab0c24da39a5
--- /dev/null
+++ b/tests/warn/i3324.scala
@@ -0,0 +1,6 @@
+
+
+class Foo {
+  def foo(x: Any): Boolean =
+    x.isInstanceOf[List[String]]  // warn
+}
diff --git a/tests/neg/i3561.scala b/tests/warn/i3561.scala
similarity index 80%
rename from tests/neg/i3561.scala
rename to tests/warn/i3561.scala
index 0a19e01e8ab6..a64a599eafec 100644
--- a/tests/neg/i3561.scala
+++ b/tests/warn/i3561.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class Test {
   val Constant = 'Q' // OK if final
@@ -15,5 +15,4 @@ class Test {
     case '5' | Constant => 3
     case '4' => 4
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i4008.scala b/tests/warn/i4008.scala
similarity index 93%
rename from tests/neg/i4008.scala
rename to tests/warn/i4008.scala
index fb24c25fc4ff..489a067bf6fd 100644
--- a/tests/neg/i4008.scala
+++ b/tests/warn/i4008.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 // ===== Template annotations =====
 
@@ -47,5 +47,4 @@ class C[A](using @annotation.implicitNotFound("No C[${B}] found") c: Class[A]) /
 
 def someMethod1[A](using @annotation.implicitNotFound("No C[${B}] found") sc: C[A]) = 0 // warn
 
-def someMethod2[A](using @annotation.implicitNotFound("No C[${A}] found") sc: C[A]) = ""
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+def someMethod2[A](using @annotation.implicitNotFound("No C[${A}] found") sc: C[A]) = ""
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/i4297.scala b/tests/warn/i4297.scala
similarity index 88%
rename from tests/neg-deep-subtype/i4297.scala
rename to tests/warn/i4297.scala
index 3fcb427c246e..3268b8a2c7f5 100644
--- a/tests/neg-deep-subtype/i4297.scala
+++ b/tests/warn/i4297.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class Test {
   def test[X <: Option[Int]](x: X) = x.isInstanceOf[Some[Int]]
@@ -10,5 +10,4 @@ class Test {
   def test5[Y <: Int, X <: Function1[Y, Unit]](x: X) = x.isInstanceOf[Function1[Int, Unit]]  // warn
   def test6[Y <: Int, X <: Function1[Y, Unit]](x: X) = x.isInstanceOf[Function1[Int, Any]] // warn
   def test7[Y <: Int, X <: Function1[Y, Unit]](x: X) = x.isInstanceOf[Function1[_, Unit]]
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i4364.scala b/tests/warn/i4364.scala
similarity index 75%
rename from tests/neg/i4364.scala
rename to tests/warn/i4364.scala
index 225fd1dd0384..5cfc2ed5076d 100644
--- a/tests/neg/i4364.scala
+++ b/tests/warn/i4364.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 object Test {
   def foo(c: java.util.function.Consumer[Integer]) = c.accept(0)
@@ -9,5 +9,3 @@ object Test {
     new java.io.ObjectOutputStream(f) // warn: OutputStream is not @FunctionalInterface
   }
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/warn/i4936b.scala b/tests/warn/i4936b.scala
new file mode 100644
index 000000000000..057c90545dbd
--- /dev/null
+++ b/tests/warn/i4936b.scala
@@ -0,0 +1,3 @@
+
+
+final object Foo // warn
diff --git a/tests/neg/i4986b.scala b/tests/warn/i4986b.scala
similarity index 89%
rename from tests/neg/i4986b.scala
rename to tests/warn/i4986b.scala
index 9df1eea64e28..6f2a0885090b 100644
--- a/tests/neg/i4986b.scala
+++ b/tests/warn/i4986b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.annotation.implicitNotFound
 
@@ -19,5 +19,4 @@ trait U[X, Y[_], Z[_, ZZ]] {
   class I[R] {
     def m[S](implicit @implicitNotFound("${X} ${Y} ${ Z } ${R} ${S} -- ${XX} ${ZZ} ${ Nix }") i: Int) = ??? // warn // warn // warn
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i5013.scala b/tests/warn/i5013.scala
similarity index 73%
rename from tests/neg/i5013.scala
rename to tests/warn/i5013.scala
index 1950770e8204..9fbc32967b78 100644
--- a/tests/neg/i5013.scala
+++ b/tests/warn/i5013.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class Foo {
 
@@ -8,5 +8,4 @@ class Foo {
     3 // warn: A pure expression does nothing in statement position
     4 // warn: A pure expression does nothing in statement position
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i5013b.scala b/tests/warn/i5013b.scala
similarity index 75%
rename from tests/neg/i5013b.scala
rename to tests/warn/i5013b.scala
index 6321538ffef2..09ce319e0a88 100644
--- a/tests/neg/i5013b.scala
+++ b/tests/warn/i5013b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class Foo {
 
@@ -17,4 +17,3 @@ class Foo {
 
 }
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/warn/i6190b.scala b/tests/warn/i6190b.scala
new file mode 100644
index 000000000000..a10006516c6f
--- /dev/null
+++ b/tests/warn/i6190b.scala
@@ -0,0 +1,6 @@
+
+
+case class Rule(name: String)
+
+def foo = List("1", "2").map(Rule)  // warn
+
diff --git a/tests/neg/i7314.scala b/tests/warn/i7314.scala
similarity index 69%
rename from tests/neg/i7314.scala
rename to tests/warn/i7314.scala
index 541e18c25761..4d0d525542bf 100644
--- a/tests/neg/i7314.scala
+++ b/tests/warn/i7314.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -source future
+//> using options  -source future
 
 @main def Test =
   // conversion out of the opaque type:
@@ -9,5 +9,3 @@
       a(0) = 0
   }
   println(imm1(0)) // 0
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i7821.scala b/tests/warn/i7821.scala
similarity index 83%
rename from tests/neg/i7821.scala
rename to tests/warn/i7821.scala
index 6604af7604c1..6ac46ef730bb 100644
--- a/tests/neg/i7821.scala
+++ b/tests/warn/i7821.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 object XObject {
   opaque type X = Int
@@ -24,4 +24,3 @@ object Main extends App {
   println(XObject.anX + XObject.anX) // prints 10
   println(MyXObject.anX + MyXObject.anX) // infinite loop
 }
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i7821b.scala b/tests/warn/i7821b.scala
similarity index 80%
rename from tests/neg/i7821b.scala
rename to tests/warn/i7821b.scala
index 93598b968adf..db3de3f86e2f 100644
--- a/tests/neg/i7821b.scala
+++ b/tests/warn/i7821b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 object Test {
 
@@ -10,5 +10,4 @@ object Test {
   { def f(x: Int, y: Int): Int = { val a = 3; f(a, 1) } } // warn
   { def f(x: Int): Int = f(1) } // warn
 
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i8427.scala b/tests/warn/i8427.scala
similarity index 60%
rename from tests/neg/i8427.scala
rename to tests/warn/i8427.scala
index 7c22184aeb03..61ea2eabb79a 100644
--- a/tests/neg/i8427.scala
+++ b/tests/warn/i8427.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 @SerialVersionUID(1L) // warn
 trait T
@@ -7,4 +7,3 @@ object Test {
   var t: T = compiletime.uninitialized
   def main(args: Array[String]) = println("hi")
 }
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i8781b.scala b/tests/warn/i8781b.scala
similarity index 54%
rename from tests/neg/i8781b.scala
rename to tests/warn/i8781b.scala
index 01cd7ef69096..455cd49b927a 100644
--- a/tests/neg/i8781b.scala
+++ b/tests/warn/i8781b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 object Test:
 
@@ -6,4 +6,3 @@ object Test:
 
   println(3.isInstanceOf[Boolean])  // warn
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i8922b.scala b/tests/warn/i8922b.scala
similarity index 97%
rename from tests/neg/i8922b.scala
rename to tests/warn/i8922b.scala
index c199f5be5bd4..f167eea005c5 100644
--- a/tests/neg/i8922b.scala
+++ b/tests/warn/i8922b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 case class Token(tokenType: TokenType, lexeme: StringV, line: IntV)
 
@@ -76,5 +76,3 @@ object Interpreter {
         }
 
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/i9166.scala b/tests/warn/i9166.scala
similarity index 53%
rename from tests/neg/i9166.scala
rename to tests/warn/i9166.scala
index bfb30937fb21..34a42987f6aa 100644
--- a/tests/neg/i9166.scala
+++ b/tests/warn/i9166.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wimplausible-patterns
+//> using options  -Wimplausible-patterns
 object UnitTest extends App {
   def foo(m: Unit) = m match {
     case runtime.BoxedUnit.UNIT => println("ok") // warn
@@ -6,4 +6,3 @@ object UnitTest extends App {
   foo(())
 }
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i9241.scala b/tests/warn/i9241.scala
similarity index 90%
rename from tests/neg/i9241.scala
rename to tests/warn/i9241.scala
index a169ce709b5f..ed1db2df0c8e 100644
--- a/tests/neg/i9241.scala
+++ b/tests/warn/i9241.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class Foo {
   def unary_~() : Foo = this // warn
@@ -40,5 +40,4 @@ extension (using Int)(x: Byte)
   def unary_+[U] : Int = ???
   def unary_!() : Int = ??? // warn
   def unary_~(using Int) : Int = ???
-end extension
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+end extension
\ No newline at end of file
diff --git a/tests/warn/i9266.scala b/tests/warn/i9266.scala
new file mode 100644
index 000000000000..c621e9e20b99
--- /dev/null
+++ b/tests/warn/i9266.scala
@@ -0,0 +1,6 @@
+
+
+import language.`future-migration`
+
+def test = { implicit x: Int => x + x } // warn
+
diff --git a/tests/neg/i9408a.scala b/tests/warn/i9408a.scala
similarity index 94%
rename from tests/neg/i9408a.scala
rename to tests/warn/i9408a.scala
index d3544ec20be5..64b58ff59550 100644
--- a/tests/neg/i9408a.scala
+++ b/tests/warn/i9408a.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import language.`3.0-migration`
 import scala.language.implicitConversions
@@ -85,5 +85,4 @@ object Test15 {
   implicit def implicitSeq[A]: Seq[A] = ???
   def foo(implicit ev: Seq[Int]): Unit = ???
   foo
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i9740.scala b/tests/warn/i9740.scala
similarity index 81%
rename from tests/neg/i9740.scala
rename to tests/warn/i9740.scala
index 8e5f56eaab0d..fc330df4d6a9 100644
--- a/tests/neg/i9740.scala
+++ b/tests/warn/i9740.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wimplausible-patterns
+//> using options  -Wimplausible-patterns
 abstract class RecoveryCompleted
 object RecoveryCompleted extends RecoveryCompleted
 
@@ -14,5 +14,4 @@ class Test {
   def foo(x: TypedRecoveryCompleted) = x match
     case RecoveryCompleted =>             // warn
     case TypedRecoveryCompleted =>
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i9740b.scala b/tests/warn/i9740b.scala
similarity index 79%
rename from tests/neg/i9740b.scala
rename to tests/warn/i9740b.scala
index 3f3f9a85222c..632308e3322d 100644
--- a/tests/neg/i9740b.scala
+++ b/tests/warn/i9740b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wimplausible-patterns
+//> using options  -Wimplausible-patterns
 enum Recovery:
   case RecoveryCompleted
 
@@ -17,5 +17,4 @@ class Test {
   def foo(x: TypedRecovery) = x match
     case RecoveryCompleted =>             // warn
     case TypedRecoveryCompleted =>
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i9740c.scala b/tests/warn/i9740c.scala
similarity index 76%
rename from tests/neg/i9740c.scala
rename to tests/warn/i9740c.scala
index b250ac907454..8ddf87adf46b 100644
--- a/tests/neg/i9740c.scala
+++ b/tests/warn/i9740c.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wimplausible-patterns
+//> using options  -Wimplausible-patterns
 sealed trait Exp[T]
 case class IntExp(x: Int) extends Exp[Int]
 case class StrExp(x: String) extends Exp[String]
@@ -16,4 +16,3 @@ class Foo {
     case Obj(o) =>
 }
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/i9740d.scala b/tests/warn/i9740d.scala
similarity index 71%
rename from tests/neg/i9740d.scala
rename to tests/warn/i9740d.scala
index ee0df4ea7cf7..118ee20582dd 100644
--- a/tests/neg/i9740d.scala
+++ b/tests/warn/i9740d.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wimplausible-patterns
+//> using options  -Wimplausible-patterns
 
 sealed trait Exp[T]
 case class IntExp(x: Int) extends Exp[Int]
@@ -11,4 +11,3 @@ class Foo[U <: Int, T <: U] {
     case StrExp(x) =>
     case UnitExp => // warn
 }
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/warn/i9751.scala b/tests/warn/i9751.scala
new file mode 100644
index 000000000000..284070723474
--- /dev/null
+++ b/tests/warn/i9751.scala
@@ -0,0 +1,11 @@
+
+
+def f(): Unit = {
+  () // warn
+  ()
+}
+
+inline def g(): Unit = {
+  () // warn
+  ()
+}
\ No newline at end of file
diff --git a/tests/neg/i9776.scala b/tests/warn/i9776.scala
similarity index 93%
rename from tests/neg/i9776.scala
rename to tests/warn/i9776.scala
index d0f512454a31..93b7cce98fef 100644
--- a/tests/neg/i9776.scala
+++ b/tests/warn/i9776.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.annotation.switch
 
@@ -58,5 +58,4 @@ object TaggedFruit {
       case 2          => true
       case Apple.tag  => true
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/i9880.scala b/tests/warn/i9880.scala
similarity index 85%
rename from tests/neg/i9880.scala
rename to tests/warn/i9880.scala
index 963711277faf..68775e7646a5 100644
--- a/tests/neg/i9880.scala
+++ b/tests/warn/i9880.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 opaque type Bytes = Array[Byte]
 object Bytes:
@@ -29,5 +29,4 @@ class Sym(val owner: Sym)
 extension (sym: Sym)
   def isSomething: Boolean = false
   def isFoo: Boolean       = sym.isSomething && sym.owner.isFoo // was: Infinite loop in function body
-  def isBar: Boolean       = sym.isSomething || sym.owner.isBar // was: Infinite loop in function body
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+  def isBar: Boolean       = sym.isSomething || sym.owner.isBar // was: Infinite loop in function body
\ No newline at end of file
diff --git a/tests/neg/implicit-conversions-old.scala b/tests/warn/implicit-conversions-old.scala
similarity index 81%
rename from tests/neg/implicit-conversions-old.scala
rename to tests/warn/implicit-conversions-old.scala
index c1267ae79064..24e1124015e3 100644
--- a/tests/neg/implicit-conversions-old.scala
+++ b/tests/warn/implicit-conversions-old.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -feature
+//> using options  -feature
 
 class A
 class B
@@ -22,5 +22,4 @@ object Test {
   val x1: A = new B
   val x2: B = new A  // ok, since it's an old-style comversion
   val x3: C = new A  // ok, since it's an old-style comversion
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/implicit-conversions.scala b/tests/warn/implicit-conversions.scala
similarity index 81%
rename from tests/neg/implicit-conversions.scala
rename to tests/warn/implicit-conversions.scala
index 154fc0689d98..946d0c96fd5a 100644
--- a/tests/neg/implicit-conversions.scala
+++ b/tests/warn/implicit-conversions.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -feature
+//> using options  -feature
 
 class A
 class B
@@ -28,5 +28,4 @@ object Test {
   val x1: A = new B  // warn under -Xfatal-warnings -feature
   val x2: B = new A  // warn under -Xfatal-warnings -feature
   val x3: C = new A  // warn under -Xfatal-warnings -feature
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/infix.scala b/tests/warn/infix.scala
similarity index 92%
rename from tests/neg/infix.scala
rename to tests/warn/infix.scala
index 2be1e3091eed..6494df970e3f 100644
--- a/tests/neg/infix.scala
+++ b/tests/warn/infix.scala
@@ -1,4 +1,4 @@
-//> using options -source future -deprecation -Xfatal-warnings
+//> using options -source future -deprecation 
 
 // Compile with -strict -Xfatal-warnings -deprecation
 class C:
@@ -67,5 +67,4 @@ def test() = {
   val _ Q _ = q   // OK
 
 
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/inline-givens.scala b/tests/warn/inline-givens.scala
similarity index 67%
rename from tests/neg/inline-givens.scala
rename to tests/warn/inline-givens.scala
index d8b9d1f2692c..5ab4fd65fdc9 100644
--- a/tests/neg/inline-givens.scala
+++ b/tests/warn/inline-givens.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class Item(x: String)
 
@@ -12,5 +12,4 @@ inline given c: Conversion[String, Item] =
   { x => Item(x) }  // warn
 
 inline given d: Conversion[String, Item] with
-  def apply(x: String) = Item(x) // ok
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+  def apply(x: String) = Item(x) // ok
\ No newline at end of file
diff --git a/tests/neg/main-functions-nameclash.scala b/tests/warn/main-functions-nameclash.scala
similarity index 56%
rename from tests/neg/main-functions-nameclash.scala
rename to tests/warn/main-functions-nameclash.scala
index e72f3d2eb0a4..bc0fe64379d4 100644
--- a/tests/neg/main-functions-nameclash.scala
+++ b/tests/warn/main-functions-nameclash.scala
@@ -1,7 +1,5 @@
-//> using options -Xfatal-warnings
+
 
 object foo {
   @main def foo(x: Int) = () // warn: class foo and object foo produce classes that overwrite one another
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/warn/manifest-summoning-b.scala b/tests/warn/manifest-summoning-b.scala
new file mode 100644
index 000000000000..18ddec1250b5
--- /dev/null
+++ b/tests/warn/manifest-summoning-b.scala
@@ -0,0 +1,4 @@
+//> using options  -deprecation
+
+val foo = manifest[List[? <: Int]] // warn
+val bar = optManifest[Array[? <: String]] // warn
\ No newline at end of file
diff --git a/tests/neg/matchable.scala b/tests/warn/matchable.scala
similarity index 84%
rename from tests/neg/matchable.scala
rename to tests/warn/matchable.scala
index 6d8b41f87e55..8adcdcf1c90a 100644
--- a/tests/neg/matchable.scala
+++ b/tests/warn/matchable.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -source future
+//> using options  -source future
 
 def foo[T](x: T): Matchable =
   println(x.getClass())   // ok
@@ -25,5 +25,4 @@ def foo[T](x: T): Matchable =
 @main def Test =
   val x: Matchable = foo(1)
   val y: Matchable = foo("hello")
-  assert(x != y)
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+  assert(x != y)
\ No newline at end of file
diff --git a/tests/neg/newline-braces.scala b/tests/warn/newline-braces.scala
similarity index 55%
rename from tests/neg/newline-braces.scala
rename to tests/warn/newline-braces.scala
index 2aea81c229b2..9ec2961ee30d 100644
--- a/tests/neg/newline-braces.scala
+++ b/tests/warn/newline-braces.scala
@@ -1,4 +1,4 @@
-//> using options -source 3.0-migration -Xfatal-warnings
+//> using options -source 3.0-migration 
 
 def f: List[Int] = {
   List(1, 2, 3).map  // no newline inserted here in Scala-2 compat mode
@@ -7,4 +7,3 @@ def f: List[Int] = {
   }
 }
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/nonunit-statement.scala b/tests/warn/nonunit-statement.scala
similarity index 97%
rename from tests/neg/nonunit-statement.scala
rename to tests/warn/nonunit-statement.scala
index b96d6b5cfa59..297a1063cb4d 100644
--- a/tests/neg/nonunit-statement.scala
+++ b/tests/warn/nonunit-statement.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -Wnonunit-statement -Wvalue-discard
+//> using options  -Wnonunit-statement -Wvalue-discard
 import collection.ArrayOps
 import collection.mutable.{ArrayBuilder, LinkedHashSet, ListBuffer}
 import concurrent._
@@ -195,5 +195,4 @@ class Depends {
     f(d)
     ()
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/warn/old-syntax.scala b/tests/warn/old-syntax.scala
new file mode 100644
index 000000000000..d584e3692a0a
--- /dev/null
+++ b/tests/warn/old-syntax.scala
@@ -0,0 +1,5 @@
+//> using options  -deprecation
+
+val f = (x: Int) ⇒ x + 1  // warn
+
+val list = for (n ← List(42)) yield n + 1  // warn
\ No newline at end of file
diff --git a/tests/neg/opaque-match.scala b/tests/warn/opaque-match.scala
similarity index 75%
rename from tests/neg/opaque-match.scala
rename to tests/warn/opaque-match.scala
index 88c8104506ae..453d525bac2c 100644
--- a/tests/neg/opaque-match.scala
+++ b/tests/warn/opaque-match.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 case class C()
 
@@ -21,5 +21,4 @@ def Test[T] =
   (??? : Any) match
     case _: List[O.T @unchecked] => ???  // OK
   (??? : Any) match
-    case _: List[T] => ???  // warn
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+    case _: List[T] => ???  // warn
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/or-type-trees.scala b/tests/warn/or-type-trees.scala
similarity index 90%
rename from tests/neg-deep-subtype/or-type-trees.scala
rename to tests/warn/or-type-trees.scala
index 4e74df3cea4e..ed6e4d01b9ff 100644
--- a/tests/neg-deep-subtype/or-type-trees.scala
+++ b/tests/warn/or-type-trees.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 object Test1 {
   trait Tree
@@ -37,5 +37,4 @@ object Test2 {
     myTree match
       case treeFn: (_ => _) =>       // ok
       case _ =>
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/warn/ovlazy.scala b/tests/warn/ovlazy.scala
new file mode 100644
index 000000000000..1dfa284a00c9
--- /dev/null
+++ b/tests/warn/ovlazy.scala
@@ -0,0 +1,9 @@
+//> using options -source 3.0-migration 
+
+class A {
+  val x: Int = 1
+}
+class B extends A {
+  override lazy val x: Int = 2 // warn
+}
+
diff --git a/tests/neg/quote-simple-hole.scala b/tests/warn/quote-simple-hole.scala
similarity index 77%
rename from tests/neg/quote-simple-hole.scala
rename to tests/warn/quote-simple-hole.scala
index 88af780aa5cd..f23d2c0535c4 100644
--- a/tests/neg/quote-simple-hole.scala
+++ b/tests/warn/quote-simple-hole.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.quoted.Quotes
 
@@ -14,5 +14,4 @@ def test(using Quotes) = {
       }
     }
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/refined-types.scala b/tests/warn/refined-types.scala
similarity index 90%
rename from tests/neg-deep-subtype/refined-types.scala
rename to tests/warn/refined-types.scala
index 0e76ff58515f..1ef0f84c00d4 100644
--- a/tests/neg-deep-subtype/refined-types.scala
+++ b/tests/warn/refined-types.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 class A
 class B extends A
@@ -21,5 +21,4 @@ def bu(x: AA) = x.isInstanceOf[BU] // was: the type test for BU cannot be checke
 def al_ba(x: AL) = x.isInstanceOf[BA] // warn: the type test for BA cannot be checked at runtime
 def au_ba(x: AU) = x.isInstanceOf[BA] // warn: the type test for BA cannot be checked at runtime
 def al_bu(x: AL) = x.isInstanceOf[BU] // warn: the type test for BU cannot be checked at runtime
-def au_bl(x: AU) = x.isInstanceOf[BL] // warn: the type test for BL cannot be checked at runtime
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+def au_bl(x: AU) = x.isInstanceOf[BL] // warn: the type test for BL cannot be checked at runtime
\ No newline at end of file
diff --git a/tests/neg/refinements-this.scala b/tests/warn/refinements-this.scala
similarity index 52%
rename from tests/neg/refinements-this.scala
rename to tests/warn/refinements-this.scala
index 111ce84ffdc8..3e4c64cf1e59 100644
--- a/tests/neg/refinements-this.scala
+++ b/tests/warn/refinements-this.scala
@@ -1,7 +1,6 @@
-//> using options -Xfatal-warnings
+
 
 class Outer:
   type X = { type O = Outer.this.type } // ok
   type Y = { type O = this.type } // warn
 
-// nopos-error: No warnings can be incurred under -Werror.
diff --git a/tests/neg/strict-pattern-bindings-3.2.scala b/tests/warn/strict-pattern-bindings-3.2.scala
similarity index 90%
rename from tests/neg/strict-pattern-bindings-3.2.scala
rename to tests/warn/strict-pattern-bindings-3.2.scala
index c678e2ebe93a..e4df8e770a01 100644
--- a/tests/neg/strict-pattern-bindings-3.2.scala
+++ b/tests/warn/strict-pattern-bindings-3.2.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 // These tests should fail under -Xfatal-warnings with source version source version 3.2 or later
 import language.`3.2`
 
@@ -34,5 +34,4 @@ object Test:
   object Triple { def unapply(t: (Int, Int, Int)): (Int, Int, Int) = t }
 
   val Positive(p) = 5                // warn
-  val Some(s1) = Option(1)           // warn
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+  val Some(s1) = Option(1)           // warn
\ No newline at end of file
diff --git a/tests/neg/supertraits-b.scala b/tests/warn/supertraits-b.scala
similarity index 84%
rename from tests/neg/supertraits-b.scala
rename to tests/warn/supertraits-b.scala
index b56059b4abbb..b36fcb5634b7 100644
--- a/tests/neg/supertraits-b.scala
+++ b/tests/warn/supertraits-b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 transparent sealed trait TA
 transparent sealed trait TB
@@ -32,5 +32,4 @@ object Test:
 
   choose4(a, b) match
     case _: (TA & TB) => ???
-    case _: Product => ???  // warn: unreachable
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+    case _: Product => ???  // warn: unreachable
\ No newline at end of file
diff --git a/tests/neg/switches.scala b/tests/warn/switches.scala
similarity index 97%
rename from tests/neg/switches.scala
rename to tests/warn/switches.scala
index f662a1f694ca..9b45e3ed0d51 100644
--- a/tests/neg/switches.scala
+++ b/tests/warn/switches.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.annotation.switch
 
@@ -99,5 +99,4 @@ object Main {
     case IntAnyVal(1000) => 3
     case IntAnyVal(10000) => 4
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/symbolic-packages.scala b/tests/warn/symbolic-packages.scala
similarity index 59%
rename from tests/neg/symbolic-packages.scala
rename to tests/warn/symbolic-packages.scala
index 557fb06f68a9..6e0ef04da6bb 100644
--- a/tests/neg/symbolic-packages.scala
+++ b/tests/warn/symbolic-packages.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 package `with spaces` { // warn
   class Foo
@@ -10,5 +10,4 @@ package +.* { // warn // warn
 
 package object `mixed_*` { // warn
   class Baz
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/t2755.scala b/tests/warn/t2755.scala
similarity index 95%
rename from tests/neg-deep-subtype/t2755.scala
rename to tests/warn/t2755.scala
index 698b59a57efd..89ebda4fb54d 100644
--- a/tests/neg-deep-subtype/t2755.scala
+++ b/tests/warn/t2755.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 // Test cases: the only place we can cut and paste without crying
 // ourself to sleep.
@@ -57,5 +57,4 @@ object Test {
     println(f3(Array(1L)))
     println(f3(null))
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/t3235-minimal.scala b/tests/warn/t3235-minimal.scala
similarity index 74%
rename from tests/neg/t3235-minimal.scala
rename to tests/warn/t3235-minimal.scala
index 27448da4b80b..22e6da9f31a0 100644
--- a/tests/neg/t3235-minimal.scala
+++ b/tests/warn/t3235-minimal.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings -deprecation
+//> using options  -deprecation
 
 object Test {
   def main(args: Array[String]): Unit = {
@@ -7,5 +7,4 @@ object Test {
     assert(1234567890123456789L.round == 1234567890123456789L) // warn
     assert(math.round(1234567890123456789L) == 1234567890123456789L) // warn
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/t5830.scala b/tests/warn/t5830.scala
similarity index 69%
rename from tests/neg/t5830.scala
rename to tests/warn/t5830.scala
index dc6e51ed1f3d..41cdfb1059a7 100644
--- a/tests/neg/t5830.scala
+++ b/tests/warn/t5830.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.annotation.switch
 
@@ -9,5 +9,3 @@ class Test {
     case 'c' =>
   }
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg-deep-subtype/type-lambda.scala b/tests/warn/type-lambda.scala
similarity index 74%
rename from tests/neg-deep-subtype/type-lambda.scala
rename to tests/warn/type-lambda.scala
index 9e1b1b408f7c..788647496a4f 100644
--- a/tests/neg-deep-subtype/type-lambda.scala
+++ b/tests/warn/type-lambda.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 trait A[T]
 trait B[T] extends A[T]
@@ -14,5 +14,3 @@ object Test {
     case _ =>
   }
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/type-test-paths-2.scala b/tests/warn/type-test-paths-2.scala
similarity index 91%
rename from tests/neg/type-test-paths-2.scala
rename to tests/warn/type-test-paths-2.scala
index 5a68c1607bfd..79b22fa70049 100644
--- a/tests/neg/type-test-paths-2.scala
+++ b/tests/warn/type-test-paths-2.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.reflect.TypeTest
 
@@ -40,5 +40,4 @@ object Test {
     case n: r1.Idx => // warn: the type test for Test.r1.Idx cannot be checked at runtime
     case n: r1.Nat => // Ok
   }
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/type-test-paths.scala b/tests/warn/type-test-paths.scala
similarity index 87%
rename from tests/neg/type-test-paths.scala
rename to tests/warn/type-test-paths.scala
index e8c9d2879e6d..03501cfd5957 100644
--- a/tests/neg/type-test-paths.scala
+++ b/tests/warn/type-test-paths.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.reflect.TypeTest
 
@@ -37,5 +37,3 @@ object T1 extends T {
   }
 
 }
-
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
diff --git a/tests/neg/type-test-syntesize-b.scala b/tests/warn/type-test-syntesize-b.scala
similarity index 82%
rename from tests/neg/type-test-syntesize-b.scala
rename to tests/warn/type-test-syntesize-b.scala
index ab3b970f79f8..f5a71c816ef1 100644
--- a/tests/neg/type-test-syntesize-b.scala
+++ b/tests/warn/type-test-syntesize-b.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 import scala.reflect.TypeTest
 
@@ -28,5 +28,4 @@ object Test {
 class A {
   type X
   type Y <: X
-}
-// nopos-error: No warnings can be incurred under -Werror.
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/tests/neg/xfatalWarnings.scala b/tests/warn/xfatalWarnings.scala
similarity index 74%
rename from tests/neg/xfatalWarnings.scala
rename to tests/warn/xfatalWarnings.scala
index 13763bf3b48d..7e77ac468370 100644
--- a/tests/neg/xfatalWarnings.scala
+++ b/tests/warn/xfatalWarnings.scala
@@ -1,4 +1,4 @@
-//> using options -Xfatal-warnings
+
 
 object xfatalWarnings {
   val opt:Option[String] = Some("test")
@@ -13,4 +13,3 @@ object xfatalWarnings {
 }
 
 // When running with fatal warnings:
-// nopos-error: No warnings can be incurred under -Werror.