Rollup merge of #104241 - bjorn3:smaller_unwind_build_script, r=Mark-Simulacrum

[rust.git] / compiler / rustc_feature / src / builtin_attrs.rs

diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs
index 4ff3b3f2a38b35860985486a174bdccdd898a154..01477265f6175529dc07027e19467841c1ff72cd 100644 (file)
--- a/compiler/rustc_feature/src/builtin_attrs.rs
+++ b/compiler/rustc_feature/src/builtin_attrs.rs
@@ -147,7 +147,7 @@ pub enum AttributeDuplicates {
     FutureWarnPreceding,
 }
 
-/// A conveniece macro to deal with `$($expr)?`.
+/// A convenience macro to deal with `$($expr)?`.
 macro_rules! or_default {
     ($default:expr,) => {
         $default
@@ -810,6 +810,10 @@ pub struct BuiltinAttribute {
     rustc_attr!(TEST, rustc_polymorphize_error, Normal, template!(Word), WarnFollowing),
     rustc_attr!(TEST, rustc_def_path, Normal, template!(Word), WarnFollowing),
     rustc_attr!(TEST, rustc_mir, Normal, template!(List: "arg1, arg2, ..."), DuplicatesOk),
+    gated!(
+        custom_mir, Normal, template!(List: r#"dialect = "...", phase = "...""#),
+        ErrorFollowing, "the `#[custom_mir]` attribute is just used for the Rust test suite",
+    ),
     rustc_attr!(TEST, rustc_dump_program_clauses, Normal, template!(Word), WarnFollowing),
     rustc_attr!(TEST, rustc_dump_env_program_clauses, Normal, template!(Word), WarnFollowing),
     rustc_attr!(TEST, rustc_object_lifetime_default, Normal, template!(Word), WarnFollowing),