Implement the __is_trivially_copyable type trait

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131270 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExprCXX.cpp b/lib/Parse/ParseExprCXX.cpp
index c8f95ff..7410dbe 100644
--- a/lib/Parse/ParseExprCXX.cpp
+++ b/lib/Parse/ParseExprCXX.cpp
@@ -1958,6 +1958,7 @@
   case tok::kw___is_signed:                  return UTT_IsSigned;
   case tok::kw___is_standard_layout:         return UTT_IsStandardLayout;
   case tok::kw___is_trivial:                 return UTT_IsTrivial;
+  case tok::kw___is_trivially_copyable:      return UTT_IsTriviallyCopyable;
   case tok::kw___is_union:                return UTT_IsUnion;
   case tok::kw___is_unsigned:                return UTT_IsUnsigned;
   case tok::kw___is_void:                    return UTT_IsVoid;