Sort the type traits in a few places where they weren't previously
sorted in order to prepare for adding some new ones.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130056 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseExprCXX.cpp b/lib/Parse/ParseExprCXX.cpp
index ccc7512..3c9ebc3 100644
--- a/lib/Parse/ParseExprCXX.cpp
+++ b/lib/Parse/ParseExprCXX.cpp
@@ -1926,10 +1926,10 @@
   case tok::kw___is_class:                return UTT_IsClass;
   case tok::kw___is_empty:                return UTT_IsEmpty;
   case tok::kw___is_enum:                 return UTT_IsEnum;
+  case tok::kw___is_literal:              return UTT_IsLiteral;
   case tok::kw___is_pod:                  return UTT_IsPOD;
   case tok::kw___is_polymorphic:          return UTT_IsPolymorphic;
   case tok::kw___is_union:                return UTT_IsUnion;
-  case tok::kw___is_literal:              return UTT_IsLiteral;
   }
 }