PR symtab/14601

	* buildsym.c (buildsym_init): Reset using_directives to NULL.

	testsuite/
	* gdb.cp/using-crash.exp: New file.
	* gdb.cp/using-crash.cc: New file.

1 files changed, 43 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.cp/using-crash.cc b/gdb/testsuite/gdb.cp/using-crash.cc
new file mode 100644
index 0000000..a3a5e43
--- /dev/null
+++ b/gdb/testsuite/gdb.cp/using-crash.cc
@@ -0,0 +1,43 @@
+/* Copyright 2012 Free Software Foundation, Inc.
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <iostream>
+using namespace std;
+
+class c1;
+
+void foo ();
+
+int
+main ()
+{
+  foo ();
+  return 0;
+}
+
+void
+foo ()
+{
+  c1 *p = 0;
+}
+
+class b1 { public: int x; };
+
+class c1 : public b1
+{
+ public:
+  using b1::x;
+  c1 () {}
+};