Mark that this function ends in a covering switch statement with every

case returning a value.

Silences a GCC warning.

llvm-svn: 130644

1 files changed, 2 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
index 0b2e448e562..418285d71b3 100644
--- a/clang/lib/Sema/SemaExprCXX.cpp
+++ b/clang/lib/Sema/SemaExprCXX.cpp
@@ -28,6 +28,7 @@
 #include "clang/Basic/TargetInfo.h"
 #include "clang/Lex/Preprocessor.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/Support/ErrorHandling.h"
 using namespace clang;
 using namespace sema;
 
@@ -2451,6 +2452,7 @@ static bool CheckUnaryTypeTraitTypeCompleteness(Sema &S,
     return !S.RequireCompleteType(
       Loc, ElTy, diag::err_incomplete_type_used_in_type_trait_expr);
   }
+  llvm_unreachable("Type trait not handled by switch");
 }
 
 static bool EvaluateUnaryTypeTrait(Sema &Self, UnaryTypeTrait UTT,