re PR c++/68760 (ICE in pp_string (pretty-print.c:909))

	PR c++/68760
	* error.c (dump_global_iord): Use DECL_SOURCE_FILE (t)
	instead of LOCATION_FILE (input_location).

	* g++.dg/tree-ssa/pr68760.C: New test.

From-SVN: r231386

gcc/cp/ChangeLog

+2015-12-07  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/68760
+	* error.c (dump_global_iord): Use DECL_SOURCE_FILE (t)
+	instead of LOCATION_FILE (input_location).
+
 2015-12-07  Ryan Burn  <contact@rnburn.com>
 
 	PR c++/68683

gcc/cp/error.c

@@ -953,7 +953,7 @@ dump_global_iord (cxx_pretty_printer *pp, tree t)
   else
     gcc_unreachable ();
 
-  pp_printf (pp, p, LOCATION_FILE (input_location));
+  pp_printf (pp, p, DECL_SOURCE_FILE (t));
 }
 
 static void

gcc/testsuite/ChangeLog

 2015-12-07  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c++/68760
+	* g++.dg/tree-ssa/pr68760.C: New test.
+
 	PR middle-end/66726
 	* g++.dg/tree-ssa/pr66726.c: Renamed to...
 	* g++.dg/tree-ssa/pr66726.C: ... this.

gcc/testsuite/g++.dg/tree-ssa/pr68760.C

+// PR c++/68760
+// { dg-do compile }
+// { dg-options "-fdump-ipa-cgraph" }
+
+struct A { A (); } a;