Add futures showing that override can be applied to init() and post…

…init() (#26518)

[trivial, not reviewed]

This adds some futures noting that `override` can be applied to `init()`
and `postinit()`, where we should probably flag that as an error (issue
#26515).

test/classes/initializers/inheritance/override.bad

@@ -0,0 +1 @@
+({x = 45}, {x = 45, y = 33})

test/classes/initializers/inheritance/override.chpl

@@ -0,0 +1,17 @@
+class C {
+  var x: int;
+  proc init() {
+    this.x = 45;
+  }
+}
+
+class D: C {
+  var y: int;
+  override proc init() {
+    this.y = 33;
+  }
+}
+
+var myC = new C();
+var myD = new D();
+writeln((myC, myD));

test/classes/initializers/inheritance/override.future

@@ -0,0 +1,7 @@
+bug: postinit() shouldn't accept 'override'
+
+I don't believe that init() routines should accept 'override'
+decorations given that they aren't really dynamically dispatched or
+overridden in the normal way.
+
+#26515

test/classes/initializers/inheritance/override.good

@@ -0,0 +1 @@
+override.chpl:10: error: the 'override' keyword cannot be applied to 'init()' routines

test/classes/initializers/postInit/override.bad

@@ -0,0 +1,2 @@
+In C.postinit()
+In D.postinit()

test/classes/initializers/postInit/override.chpl

@@ -0,0 +1,13 @@
+class C {
+  proc postinit() {
+    writeln("In C.postinit()");
+  }
+}
+
+class D: C {
+  override proc postinit() {
+    writeln("In D.postinit()");
+  }
+}
+
+var myD = new D();

test/classes/initializers/postInit/override.future

@@ -0,0 +1,7 @@
+bug: postinit() shouldn't accept 'override'
+
+I don't believe that postinit() routines should accept 'override'
+decorations given that they aren't really dynamically dispatched or
+overridden in the normal way.
+
+#26515

test/classes/initializers/postInit/override.good

@@ -0,0 +1 @@
+override.chpl:8: error: the 'override' keyword cannot be applied to 'postinit()' routines

test/classes/initializers/postInit/override2.bad

@@ -0,0 +1,2 @@
+In C.postinit()
+In D.postinit()

test/classes/initializers/postInit/override2.chpl

@@ -0,0 +1,13 @@
+class C {
+  proc postinit() throws {
+    writeln("In C.postinit()");
+  }
+}
+
+class D: C {
+  override proc postinit() {
+    writeln("In D.postinit()");
+  }
+}
+
+var myD = new D();

test/classes/initializers/postInit/override2.future

@@ -0,0 +1,7 @@
+bug: postinit() shouldn't accept 'override'
+
+I don't believe that postinit() routines should accept 'override'
+decorations given that they aren't really dynamically dispatched or
+overridden in the normal way.
+
+#26515

test/classes/initializers/postInit/override2.good

@@ -0,0 +1 @@
+override2.chpl:8: error: the 'override' keyword cannot be applied to 'postinit()' routines

test/classes/initializers/postInit/override3.bad

@@ -0,0 +1 @@
+In D.postinit()

test/classes/initializers/postInit/override3.chpl

@@ -0,0 +1,10 @@
+class C {
+}
+
+class D: C {
+  override proc postinit() throws {
+    writeln("In D.postinit()");
+  }
+}
+
+var myD = new D();

test/classes/initializers/postInit/override3.future

@@ -0,0 +1,7 @@
+bug: postinit() shouldn't accept 'override'
+
+I don't believe that postinit() routines should accept 'override'
+decorations given that they aren't really dynamically dispatched or
+overridden in the normal way.
+
+#26515

test/classes/initializers/postInit/override3.good

@@ -0,0 +1 @@
+override3.chpl:5: error: the 'override' keyword cannot be applied to 'postinit()' routines