[clang-tools-extra] [clang] [coroutines] Do not check coroutine wrappers for skipped function bodies (PR #76729)

[Utkarsh Saxena via cfe-commits]

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@@ -15845,7 +15845,7 @@ static void diagnoseImplicitlyRetainedSelf(Sema &S) {
 }
 
 void Sema::CheckCoroutineWrapper(FunctionDecl *FD) {
-  if (!FD)
+  if (!FD || FD->hasSkippedBody())
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usx95 wrote:

Moved the check to calling code. `CheckCompletedCoroutineBody` suffers from the same problem, i.e., use of `FSI->isCoroutine()` is invalid. So both coroutine related actions are now behind this check.

https://github.com/llvm/llvm-project/pull/76729