diff options
Diffstat (limited to 'compiler/rustc_feature/src/builtin_attrs.rs')
| -rw-r--r-- | compiler/rustc_feature/src/builtin_attrs.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index f25b2d8f566..46817bc9c3f 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -623,6 +623,11 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ lang, Normal, template!(NameValueStr: "name"), DuplicatesOk, lang_items, "language items are subject to change", ), + rustc_attr!( + rustc_pass_by_value, Normal, + template!(Word), WarnFollowing, + "#[rustc_pass_by_value] is used to mark types that must be passed by value instead of reference." + ), BuiltinAttribute { name: sym::rustc_diagnostic_item, type_: Normal, |