1 files changed, 1 insertions, 7 deletions
diff --git a/include/clang/Basic/TargetInfo.h b/include/clang/Basic/TargetInfo.h
index deaa3eeb77..9a8689af85 100644
--- a/include/clang/Basic/TargetInfo.h
+++ b/include/clang/Basic/TargetInfo.h
@@ -754,13 +754,7 @@ public:
   /// and be substituted with the default calling convention, or (someday)
   /// produce an error (such as using thiscall on a non-instance function).
   virtual CallingConvCheckResult checkCallingConvention(CallingConv CC) const {
-    switch (CC) {
-      default:
-        return CCCR_Warning;
-      case CC_C:
-      case CC_Default:
-        return CCCR_OK;
-    }
+    return CCCR_Warning;
   }
 
 protected: