Index: clang/lib/AST/ASTContext.cpp
===================================================================
--- clang/lib/AST/ASTContext.cpp
+++ clang/lib/AST/ASTContext.cpp
@@ -2860,7 +2860,7 @@
     return true;
 
   if (Ty->isMemberPointerType()) {
-    const auto *MPT = Ty->getAs<MemberPointerType>();
+    const auto *MPT = Ty->castAs<MemberPointerType>();
     return !ABI->getMemberPointerInfo(MPT).HasPadding;
   }