re PR c++/20505 (internal error when compiling with -ggdb2 and no error with -ggdb1)

	PR debug/20505
	* g++.dg/debug/const2.C: New.

From-SVN: r97537

gcc/testsuite/ChangeLog

+2005-04-04  Nathan Sidwell  <nathan@codesourcery.com>
+
+	PR debug/20505
+	* g++.dg/debug/const2.C: New.
+
 2005-04-04  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/16104

gcc/testsuite/g++.dg/debug/const2.C

+// Copyright (C) 2005 Free Software Foundation, Inc.
+// Contributed by Nathan Sidwell 1 Apr 2005 <nathan@codesourcery.com>
+
+// { dg-options "-ggdb2" }
+// Origin: ivan <ivanr@syncad.com>
+//	   pinskia@gcc.gnu.org
+// Bug 20505: ICE with -ggdb2
+
+struct b
+{
+  static const int d;
+  virtual bool IsEmpty() const=0;
+  int e,c;
+};
+const int b::d = ((__SIZE_TYPE__)(&((b*)1)->c) - 1);