remove unwanted stage0 line, fix style

Author: Dylan-DPC

src/libsyntax/feature_gate.rs

@@ -686,7 +686,7 @@ declare_features! (
     (accepted, repr_packed, "1.33.0", Some(33158), None),
     // Allows calling `const unsafe fn` inside `unsafe` blocks in `const fn` functions.
     (accepted, min_const_unsafe_fn, "1.33.0", Some(55607), None),
-// `#[cfg_attr(predicate, multiple, attributes, here)]`
+    // `#[cfg_attr(predicate, multiple, attributes, here)]`
     (accepted, cfg_attr_multi, "1.33.0", Some(54881), None),
 );
 

src/test/ui/conditional-compilation/cfg-attr-parse.rs

@@ -1,7 +1,5 @@
 // Parse `cfg_attr` with varying numbers of attributes and trailing commas
 
-#![cfg_attr(stage0, feature(cfg_attr_multi))]
-
 // Completely empty `cfg_attr` input
 #[cfg_attr()] //~ error: expected identifier, found `)`
 struct NoConfigurationPredicate;

src/test/ui/conditional-compilation/cfg-attr-parse.stderr

@@ -1,29 +1,29 @@
 error: expected identifier, found `)`
-  --> $DIR/cfg-attr-parse.rs:6:12
+  --> $DIR/cfg-attr-parse.rs:4:12
    |
 LL | #[cfg_attr()] //~ error: expected identifier, found `)`
    |            ^ expected identifier
 
 error: expected `,`, found `)`
-  --> $DIR/cfg-attr-parse.rs:10:17
+  --> $DIR/cfg-attr-parse.rs:8:17
    |
 LL | #[cfg_attr(all())] //~ error: expected `,`, found `)`
    |                 ^ expected `,`
 
 error: expected identifier, found `,`
-  --> $DIR/cfg-attr-parse.rs:18:18
+  --> $DIR/cfg-attr-parse.rs:16:18
    |
 LL | #[cfg_attr(all(),,)] //~ ERROR expected identifier
    |                  ^ expected identifier
 
 error: expected identifier, found `,`
-  --> $DIR/cfg-attr-parse.rs:30:28
+  --> $DIR/cfg-attr-parse.rs:28:28
    |
 LL | #[cfg_attr(all(), must_use,,)] //~ ERROR expected identifier
    |                            ^ expected identifier
 
 error: expected identifier, found `,`
-  --> $DIR/cfg-attr-parse.rs:42:40
+  --> $DIR/cfg-attr-parse.rs:40:40
    |
 LL | #[cfg_attr(all(), must_use, deprecated,,)] //~ ERROR expected identifier
    |                                        ^ expected identifier