1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Sema/SemaCoroutine.cpp b/lib/Sema/SemaCoroutine.cpp
index f0347af6a1bb..fd2fd35921ce 100644
--- a/lib/Sema/SemaCoroutine.cpp
+++ b/lib/Sema/SemaCoroutine.cpp
@@ -83,7 +83,7 @@ static QualType lookupPromiseType(Sema &S, const FunctionDecl *FD,
       //      ref-qualifier or with the & ref-qualifier
       //  -- "rvalue reference to cv X" for functions declared with the &&
       //      ref-qualifier
-      QualType T = MD->getThisType()->getAs<PointerType>()->getPointeeType();
+      QualType T = MD->getThisType()->castAs<PointerType>()->getPointeeType();
       T = FnType->getRefQualifier() == RQ_RValue
               ? S.Context.getRValueReferenceType(T)
               : S.Context.getLValueReferenceType(T, /*SpelledAsLValue*/ true);