[coroutines] Do not attempt to typo-correct when coroutine is looking for required members

When SemaCoroutine looks for await_resume, it means it. No need for helpful: "Did you mean await_ready?" messages.

Fixes PR33477 and a couple of FIXMEs in test/SemaCXX/coroutines.cpp

llvm-svn: 328663

1 files changed, 9 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaCoroutine.cpp b/clang/lib/Sema/SemaCoroutine.cpp
index 95758baff4a..139a21014d1 100644
--- a/clang/lib/Sema/SemaCoroutine.cpp
+++ b/clang/lib/Sema/SemaCoroutine.cpp
@@ -362,6 +362,15 @@ static ExprResult buildMemberCall(Sema &S, Expr *Base, SourceLocation Loc,
   if (Result.isInvalid())
     return ExprError();
 
+  // We meant exactly what we asked for. No need for typo correction.
+  if (auto *TE = dyn_cast<TypoExpr>(Result.get())) {
+    S.clearDelayedTypo(TE);
+    S.Diag(Loc, diag::err_no_member)
+        << NameInfo.getName() << Base->getType()->getAsCXXRecordDecl()
+        << Base->getSourceRange();
+    return ExprError();
+  }
+
   return S.ActOnCallExpr(nullptr, Result.get(), Loc, Args, Loc, nullptr);
 }