re PR debug/34895 (ICE in force_type_die, at dwarf2out.c:12923)

        PR debug/34895
        * dwarf2out.c (force_type_die): Use modified_type_die instead of
        gen_type_die.

        * g++.dg/debug/pr34895.cc: New testcase.

From-SVN: r131761

gcc/ChangeLog

+2008-01-23  Michael Matz  <matz@suse.de>
+
+	PR debug/34895
+	* dwarf2out.c (force_type_die): Use modified_type_die instead of
+	gen_type_die.
+
 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
 
 	* ipa-struct-reorg.c (create_new_malloc): Use pointer type as

gcc/dwarf2out.c

@@ -13736,11 +13736,8 @@ force_type_die (tree type)
       else
 	context_die = comp_unit_die;
 
-      type_die = lookup_type_die (type);
-      if (type_die)
-	return type_die;
-      gen_type_die (type, context_die);
-      type_die = lookup_type_die (type);
+      type_die = modified_type_die (type, TYPE_READONLY (type),
+				    TYPE_VOLATILE (type), context_die);
       gcc_assert (type_die);
     }
   return type_die;

gcc/testsuite/ChangeLog

+2008-01-23  Michael Matz  <matz@suse.de>
+
+	PR debug/34895
+	* g++.dg/debug/pr34895.cc: New testcase.
+
 2008-01-23  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/31529

gcc/testsuite/g++.dg/debug/pr34895.C

+// { dg-do compile }
+// { dg-options "-O2 -g" }
+//
+// Copyright (C) 2008 Free Software Foundation, Inc.
+// Contributed by Theodore.Papadopoulo 20 Jan 2008 <Theodore.Papadopoulo@sophia.inria.fr>
+
+struct A {
+    A() { }
+    unsigned operator()() { return 1; }
+};
+struct B: public A {
+    typedef const A base;
+    using base::operator();
+    B() { }
+};
+int
+main() {
+    B b;
+}