Add lang item for AsyncFnKindHelper::Upvars

compiler-errors · compiler-errors · commit 99eabb47fb4f · 2024-05-29T14:28:53.000-04:00
diff --git a/core/src/ops/async_function.rs b/core/src/ops/async_function.rs
@@ -146,6 +146,7 @@ mod internal_implementation_detail {
         // `for<'env> fn() -> (&'env T, ...)`. This allows us to represent the binder
         // of the closure's self-capture, and these upvar types will be instantiated with
         // the `'closure_env` region provided to the associated type.
+        #[cfg_attr(not(bootstrap), lang = "async_fn_kind_upvars")]
         type Upvars<'closure_env, Inputs, Upvars, BorrowedUpvarsAsFnPtr>;
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -146,6 +146,7 @@ mod internal_implementation_detail {`
`146`	`146`	// `for<'env> fn() -> (&'env T, ...)`. This allows us to represent the binder
`147`	`147`	`// of the closure's self-capture, and these upvar types will be instantiated with`
`148`	`148`	// the `'closure_env` region provided to the associated type.
	`149`	`+ #[cfg_attr(not(bootstrap), lang = "async_fn_kind_upvars")]`
`149`	`150`	`type Upvars<'closure_env, Inputs, Upvars, BorrowedUpvarsAsFnPtr>;`
`150`	`151`	`}`
`151`	`152`	`}`