Index: c-family/c-common.c
===================================================================
--- c-family/c-common.c	(revision 173769)
+++ c-family/c-common.c	(working copy)
@@ -437,6 +437,10 @@ const struct c_common_resword c_common_reswords[]
   { "__has_trivial_copy", RID_HAS_TRIVIAL_COPY, D_CXXONLY },
   { "__has_trivial_destructor", RID_HAS_TRIVIAL_DESTRUCTOR, D_CXXONLY },
   { "__has_virtual_destructor", RID_HAS_VIRTUAL_DESTRUCTOR, D_CXXONLY },
+  { "__imag",		RID_IMAGPART,	0 },
+  { "__imag__",		RID_IMAGPART,	0 },
+  { "__inline",		RID_INLINE,	0 },
+  { "__inline__",	RID_INLINE,	0 },
   { "__int128",		RID_INT128,	0 },
   { "__is_abstract",	RID_IS_ABSTRACT, D_CXXONLY },
   { "__is_base_of",	RID_IS_BASE_OF, D_CXXONLY },
@@ -444,17 +448,12 @@ const struct c_common_resword c_common_reswords[]
   { "__is_convertible_to", RID_IS_CONVERTIBLE_TO, D_CXXONLY },
   { "__is_empty",	RID_IS_EMPTY,	D_CXXONLY },
   { "__is_enum",	RID_IS_ENUM,	D_CXXONLY },
+  { "__is_literal_type", RID_IS_LITERAL_TYPE, D_CXXONLY },
   { "__is_pod",		RID_IS_POD,	D_CXXONLY },
   { "__is_polymorphic",	RID_IS_POLYMORPHIC, D_CXXONLY },
   { "__is_standard_layout", RID_IS_STD_LAYOUT, D_CXXONLY },
   { "__is_trivial",     RID_IS_TRIVIAL, D_CXXONLY },
   { "__is_union",	RID_IS_UNION,	D_CXXONLY },
-  { "__is_literal_type", RID_IS_LITERAL_TYPE, D_CXXONLY },
-  { "__underlying_type", RID_UNDERLYING_TYPE, D_CXXONLY },
-  { "__imag",		RID_IMAGPART,	0 },
-  { "__imag__",		RID_IMAGPART,	0 },
-  { "__inline",		RID_INLINE,	0 },
-  { "__inline__",	RID_INLINE,	0 },
   { "__label__",	RID_LABEL,	0 },
   { "__null",		RID_NULL,	0 },
   { "__real",		RID_REALPART,	0 },
@@ -466,6 +465,7 @@ const struct c_common_resword c_common_reswords[]
   { "__thread",		RID_THREAD,	0 },
   { "__typeof",		RID_TYPEOF,	0 },
   { "__typeof__",	RID_TYPEOF,	0 },
+  { "__underlying_type", RID_UNDERLYING_TYPE, D_CXXONLY },
   { "__volatile",	RID_VOLATILE,	0 },
   { "__volatile__",	RID_VOLATILE,	0 },
   { "alignof",		RID_ALIGNOF,	D_CXXONLY | D_CXX0X | D_CXXWARN },
Index: c-family/c-common.h
===================================================================
--- c-family/c-common.h	(revision 173769)
+++ c-family/c-common.h	(working copy)
@@ -135,9 +135,9 @@ enum rid
   RID_IS_ABSTRACT,             RID_IS_BASE_OF,
   RID_IS_CONVERTIBLE_TO,       RID_IS_CLASS,
   RID_IS_EMPTY,                RID_IS_ENUM,
-  RID_IS_POD,                  RID_IS_POLYMORPHIC,
-  RID_IS_STD_LAYOUT,           RID_IS_TRIVIAL,
-  RID_IS_UNION,                RID_IS_LITERAL_TYPE,
+  RID_IS_LITERAL_TYPE,         RID_IS_POD,
+  RID_IS_POLYMORPHIC,          RID_IS_STD_LAYOUT,
+  RID_IS_TRIVIAL,              RID_IS_UNION,
   RID_UNDERLYING_TYPE,
 
   /* C++0x */
Index: cp/cxx-pretty-print.c
===================================================================
--- cp/cxx-pretty-print.c	(revision 173769)
+++ cp/cxx-pretty-print.c	(working copy)
@@ -394,8 +394,11 @@ pp_cxx_id_expression (cxx_pretty_printer *pp, tree
      __is_convertible_to ( type-id , type-id )     
      __is_empty ( type-id )
      __is_enum ( type-id )
+     __is_literal_type ( type-id )
      __is_pod ( type-id )
      __is_polymorphic ( type-id )
+     __is_std_layout ( type-id )
+     __is_trivial ( type-id )
      __is_union ( type-id )  */
 
 static void
Index: cp/semantics.c
===================================================================
--- cp/semantics.c	(revision 173769)
+++ cp/semantics.c	(working copy)
@@ -5165,6 +5165,9 @@ trait_expr_value (cp_trait_kind kind, tree type1,
     case CPTK_IS_ENUM:
       return (type_code1 == ENUMERAL_TYPE);
 
+    case CPTK_IS_LITERAL_TYPE:
+      return (literal_type_p (type1));
+
     case CPTK_IS_POD:
       return (pod_type_p (type1));
 
@@ -5180,9 +5183,6 @@ trait_expr_value (cp_trait_kind kind, tree type1,
     case CPTK_IS_UNION:
       return (type_code1 == UNION_TYPE);
 
-    case CPTK_IS_LITERAL_TYPE:
-      return (literal_type_p (type1));
-
     default:
       gcc_unreachable ();
       return false;
@@ -5227,11 +5227,11 @@ finish_trait_expr (cp_trait_kind kind, tree type1,
 	      || kind == CPTK_IS_CONVERTIBLE_TO
 	      || kind == CPTK_IS_EMPTY
 	      || kind == CPTK_IS_ENUM
+	      || kind == CPTK_IS_LITERAL_TYPE
 	      || kind == CPTK_IS_POD
 	      || kind == CPTK_IS_POLYMORPHIC
 	      || kind == CPTK_IS_STD_LAYOUT
 	      || kind == CPTK_IS_TRIVIAL
-	      || kind == CPTK_IS_LITERAL_TYPE
 	      || kind == CPTK_IS_UNION);
 
   if (kind == CPTK_IS_CONVERTIBLE_TO)
@@ -5271,11 +5271,11 @@ finish_trait_expr (cp_trait_kind kind, tree type1,
     case CPTK_HAS_VIRTUAL_DESTRUCTOR:
     case CPTK_IS_ABSTRACT:
     case CPTK_IS_EMPTY:
+    case CPTK_IS_LITERAL_TYPE:
     case CPTK_IS_POD:
     case CPTK_IS_POLYMORPHIC:
     case CPTK_IS_STD_LAYOUT:
     case CPTK_IS_TRIVIAL:
-    case CPTK_IS_LITERAL_TYPE:
       if (!check_trait_type (type1))
 	{
 	  error ("incomplete type %qT not allowed", type1);
Index: cp/parser.c
===================================================================
--- cp/parser.c	(revision 173769)
+++ cp/parser.c	(working copy)
@@ -3274,8 +3274,11 @@ cp_parser_translation_unit (cp_parser* parser)
      __is_convertible_to ( type-id , type-id )     
      __is_empty ( type-id )
      __is_enum ( type-id )
+     __is_literal_type ( type-id )
      __is_pod ( type-id )
      __is_polymorphic ( type-id )
+     __is_std_layout ( type-id )
+     __is_trivial ( type-id )
      __is_union ( type-id )
 
    Objective-C++ Extension:
@@ -3601,12 +3604,12 @@ cp_parser_primary_expression (cp_parser *parser,
 	case RID_IS_CONVERTIBLE_TO:
 	case RID_IS_EMPTY:
 	case RID_IS_ENUM:
+	case RID_IS_LITERAL_TYPE:
 	case RID_IS_POD:
 	case RID_IS_POLYMORPHIC:
 	case RID_IS_STD_LAYOUT:
 	case RID_IS_TRIVIAL:
 	case RID_IS_UNION:
-	case RID_IS_LITERAL_TYPE:
 	  return cp_parser_trait_expr (parser, token->keyword);
 
 	/* Objective-C++ expressions.  */