* init.c (perform_member_init): Cope with uninstantiated NSDMI.

From-SVN: r184877

gcc/cp/ChangeLog

 2012-03-03  Jason Merrill  <jason@redhat.com>
 
+	* init.c (perform_member_init): Cope with uninstantiated NSDMI.
+
 	Core 1270
 	* call.c (build_aggr_conv): Call reshape_init.
 	(convert_like_real): Likewise.

gcc/cp/init.c

@@ -540,6 +540,12 @@ perform_member_init (tree member, tree init)
       else
 	{
 	  init = DECL_INITIAL (member);
+	  if (init && TREE_CODE (init) == DEFAULT_ARG)
+	    {
+	      error ("constructor required before non-static data member "
+		     "for %qD has been parsed", member);
+	      init = NULL_TREE;
+	    }
 	  /* Strip redundant TARGET_EXPR so we don't need to remap it, and
 	     so the aggregate init code below will see a CONSTRUCTOR.  */
 	  if (init && TREE_CODE (init) == TARGET_EXPR

gcc/testsuite/ChangeLog

 2012-03-03  Jason Merrill  <jason@redhat.com>
 
+	* g++.dg/cpp0x/nsdmi-defer6.C: New.
+
 	Core 1270
 	* g++.dg/cpp0x/initlist65.C: New.
 

gcc/testsuite/g++.dg/cpp0x/nsdmi-defer6.C

+// { dg-do compile { target c++11 } }
+
+struct A			// { dg-error "non-static data member" }
+{
+  int i = (A(), 42);		// { dg-message "required here" }
+};
+
+A a;