Mark even more tests as gate tests

Now, no feature outside of the whitelist is
without a test marked as its gate test.

Author: est31

src/test/compile-fail/asm-gated.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// gate-test-asm
+
 fn main() {
     unsafe {
         asm!(""); //~ ERROR inline assembly is not stable enough

src/test/compile-fail/asm-gated2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// gate-test-asm
+
 fn main() {
     unsafe {
         println!("{}", asm!("")); //~ ERROR inline assembly is not stable

src/test/compile-fail/attr-on-generic-formals-wo-feature-gate.rs

@@ -16,6 +16,8 @@
 // using `rustc_attrs` feature. There is a separate compile-fail/ test
 // ensuring that the attribute feature-gating works in this context.)
 
+// gate-test-generic_param_attrs
+
 #![feature(rustc_attrs)]
 #![allow(dead_code)]
 

src/test/compile-fail/check-static-values-constraints.rs

@@ -10,6 +10,8 @@
 
 // Verifies all possible restrictions for statics values.
 
+// gate-test-drop_types_in_const
+
 #![feature(box_syntax)]
 
 use std::marker;

src/test/compile-fail/concat_idents-gate.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// gate-test-concat_idents
+
 const XY_1: i32 = 10;
 
 fn main() {

src/test/compile-fail/concat_idents-gate2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// gate-test-concat_idents
+
 const XY_1: i32 = 10;
 
 fn main() {

src/test/compile-fail/const-fn-stability.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// gate-test-const_fn
+
 // Test use of const fn without feature gate.
 
 const fn foo() -> usize { 0 } //~ ERROR const fn is unstable

src/test/compile-fail/feature-gate-abi.rs

@@ -8,6 +8,10 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// gate-test-intrinsics
+// gate-test-platform_intrinsics
+// gate-test-abi_vectorcall
+
 // Functions
 extern "rust-intrinsic" fn f1() {} //~ ERROR intrinsics are subject to change
 extern "platform-intrinsic" fn f2() {} //~ ERROR platform intrinsics are experimental

src/test/compile-fail/feature-gate-advanced-slice-features.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// gate-test-advanced_slice_patterns
+
 #![feature(slice_patterns)]
 
 fn main() {

src/test/compile-fail/feature-gate-allow-internal-unstable-nested-macro.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+// gate-test-allow_internal_unstable
+
 macro_rules! bar {
     () => {
         // more layers don't help: