[clang] Surface error for plain return statement in coroutine earlier (PR #100985)

[via cfe-commits]

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@@ -1120,7 +1120,7 @@ void Sema::CheckCompletedCoroutineBody(FunctionDecl *FD, Stmt *&Body) {
 
   // [stmt.return.coroutine]p1:
   //   A coroutine shall not enclose a return statement ([stmt.return]).
-  if (Fn->FirstReturnLoc.isValid()) {
+  if (Fn->FirstReturnLoc.isValid() && Fn->FirstReturnLoc < Fn->FirstCoroutineStmtLoc) {
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ivanaivanovska wrote:

Done.

https://github.com/llvm/llvm-project/pull/100985