Fix g++.dg/torture/Wsizeof-pointer-memaccess2.C with -std=c++11

	Fix g++.dg/torture/Wsizeof-pointer-memaccess2.C with -std=c++11
	* semantics.c (finish_call_expr): Check complain.

From-SVN: r222840

gcc/cp/ChangeLog

 2015-05-05  Jason Merrill  <jason@redhat.com>
 
+	* semantics.c (finish_call_expr): Check complain.
+
 	* decl2.c (reset_type_linkage_2): Update the DECL_NAME of a
 	maybe-in-charge constructor.
 

gcc/cp/semantics.c

@@ -2377,6 +2377,7 @@ finish_call_expr (tree fn, vec<tree, va_gc> **args, bool disallow_virtual,
       if (!result)
 	{
 	  if (warn_sizeof_pointer_memaccess
+	      && (complain & tf_warning)
 	      && !vec_safe_is_empty (*args)
 	      && !processing_template_decl)
 	    {