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/AST/StmtPrinter.cpp b/lib/AST/StmtPrinter.cpp
index 094864b..1ef601c 100644
--- a/lib/AST/StmtPrinter.cpp
+++ b/lib/AST/StmtPrinter.cpp
@@ -1329,6 +1329,7 @@
   case UTT_IsSigned:                return "__is_signed";
   case UTT_IsStandardLayout:        return "__is_standard_layout";
   case UTT_IsTrivial:               return "__is_trivial";
+  case UTT_IsTriviallyCopyable:     return "__is_trivially_copyable";
   case UTT_IsUnion:               return "__is_union";
   case UTT_IsUnsigned:              return "__is_unsigned";
   case UTT_IsVoid:                  return "__is_void";