Remove the default case from the unary type trait evaluation function,

adding an unreachable annotation. Remarkably this one was already
enumarting every trait.

llvm-svn: 130647

1 files changed, 1 insertions, 2 deletions

diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp
index 418285d71b3..4d5074a13b7 100644
--- a/clang/lib/Sema/SemaExprCXX.cpp
+++ b/clang/lib/Sema/SemaExprCXX.cpp
@@ -2462,8 +2462,6 @@ static bool EvaluateUnaryTypeTrait(Sema &Self, UnaryTypeTrait UTT,
 
   ASTContext &C = Self.Context;
   switch(UTT) {
-  default: assert(false && "Unknown type trait or not implemented");
-
     // Type trait expressions corresponding to the primary type category
     // predicates in C++0x [meta.unary.cat].
   case UTT_IsVoid:
@@ -2750,6 +2748,7 @@ static bool EvaluateUnaryTypeTrait(Sema &Self, UnaryTypeTrait UTT,
     //   function call.
     return !T->isIncompleteType();
   }
+  llvm_unreachable("Type trait not covered by switch");
 }