1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_attr_parsing/src/attributes/body.rs b/compiler/rustc_attr_parsing/src/attributes/body.rs
index ab9330216f6..88540384621 100644
--- a/compiler/rustc_attr_parsing/src/attributes/body.rs
+++ b/compiler/rustc_attr_parsing/src/attributes/body.rs
@@ -1,15 +1,18 @@
 //! Attributes that can be found in function body.
 
+use rustc_hir::Target;
 use rustc_hir::attrs::AttributeKind;
 use rustc_span::{Symbol, sym};
 
 use super::{NoArgsAttributeParser, OnDuplicate};
-use crate::context::Stage;
+use crate::context::MaybeWarn::Allow;
+use crate::context::{AllowedTargets, Stage};
 
 pub(crate) struct CoroutineParser;
 
 impl<S: Stage> NoArgsAttributeParser<S> for CoroutineParser {
     const PATH: &[Symbol] = &[sym::coroutine];
     const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error;
+    const ALLOWED_TARGETS: AllowedTargets = AllowedTargets::AllowList(&[Allow(Target::Closure)]);
     const CREATE: fn(rustc_span::Span) -> AttributeKind = |span| AttributeKind::Coroutine(span);
 }