re PR c++/57415 (New PPC testsuite failure C++ compound literarl expr unimplemented)

	PR c++/57415
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	Use TARGET_EXPR for C++.

From-SVN: r199616

gcc/ChangeLog

+2013-06-03  Jason Merrill  <jason@redhat.com>
+
+	PR c++/57415
+	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
+	Use TARGET_EXPR for C++.
+
 2013-06-03  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/57268

gcc/config/rs6000/rs6000-c.c

@@ -3822,11 +3822,20 @@ altivec_resolve_overloaded_builtin (location_t loc, tree fndecl,
       TREE_USED (decl) = 1;
       TREE_TYPE (decl) = arg1_type;
       TREE_READONLY (decl) = TYPE_READONLY (arg1_type);
-      DECL_INITIAL (decl) = arg1;
-      stmt = build1 (DECL_EXPR, arg1_type, decl);
-      TREE_ADDRESSABLE (decl) = 1;
-      SET_EXPR_LOCATION (stmt, loc);
-      stmt = build1 (COMPOUND_LITERAL_EXPR, arg1_type, stmt);
+      if (c_dialect_cxx ())
+	{
+	  stmt = build4 (TARGET_EXPR, arg1_type, decl, arg1,
+			 NULL_TREE, NULL_TREE);
+	  SET_EXPR_LOCATION (stmt, loc);
+	}
+      else
+	{
+	  DECL_INITIAL (decl) = arg1;
+	  stmt = build1 (DECL_EXPR, arg1_type, decl);
+	  TREE_ADDRESSABLE (decl) = 1;
+	  SET_EXPR_LOCATION (stmt, loc);
+	  stmt = build1 (COMPOUND_LITERAL_EXPR, arg1_type, stmt);
+	}
 
       innerptrtype = build_pointer_type (arg1_inner_type);
 
@@ -3901,11 +3910,20 @@ altivec_resolve_overloaded_builtin (location_t loc, tree fndecl,
       TREE_USED (decl) = 1;
       TREE_TYPE (decl) = arg1_type;
       TREE_READONLY (decl) = TYPE_READONLY (arg1_type);
-      DECL_INITIAL (decl) = arg1;
-      stmt = build1 (DECL_EXPR, arg1_type, decl);
-      TREE_ADDRESSABLE (decl) = 1;
-      SET_EXPR_LOCATION (stmt, loc);
-      stmt = build1 (COMPOUND_LITERAL_EXPR, arg1_type, stmt);
+      if (c_dialect_cxx ())
+	{
+	  stmt = build4 (TARGET_EXPR, arg1_type, decl, arg1,
+			 NULL_TREE, NULL_TREE);
+	  SET_EXPR_LOCATION (stmt, loc);
+	}
+      else
+	{
+	  DECL_INITIAL (decl) = arg1;
+	  stmt = build1 (DECL_EXPR, arg1_type, decl);
+	  TREE_ADDRESSABLE (decl) = 1;
+	  SET_EXPR_LOCATION (stmt, loc);
+	  stmt = build1 (COMPOUND_LITERAL_EXPR, arg1_type, stmt);
+	}
 
       innerptrtype = build_pointer_type (arg1_inner_type);