[4.6, 4.8] Backport fix PR libstdc++/59392: Fix ARM EABI uncaught throw from unexpected exception handler

http://gcc.gnu.org/viewcvs/gcc?view=revision&revision=208519
2014-03-12  Roland McGrath  <mcgrathr@google.com>
	    Mark Seaborn  <mseaborn@google.com>

libstdc++-v3/
	PR libstdc++/59392
	* libsupc++/eh_call.cc (__cxa_call_unexpected): Call __do_catch with
	the address of a null pointer, not with a null pointer to pointer.
	Copy comment for this case from eh_personality.cc:__cxa_call_unexpected.
	* testsuite/18_support/bad_exception/59392.cc: New file.

Change-Id: I14e060bccb72881ba8d7e24022d429cd304e2ae3

1 files changed, 51 insertions, 0 deletions

diff --git a/gcc-4.6/libstdc++-v3/testsuite/18_support/bad_exception/59392.cc b/gcc-4.6/libstdc++-v3/testsuite/18_support/bad_exception/59392.cc
new file mode 100644
index 000000000..c9b65a2c3
--- /dev/null
+++ b/gcc-4.6/libstdc++-v3/testsuite/18_support/bad_exception/59392.cc
@@ -0,0 +1,51 @@
+// Copyright (C) 2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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, or (at your option)
+// any later version.
+
+// This library 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 library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <exception>
+#include <cstdlib>
+
+class expected {};
+class unexpected {};
+class from_handler {};
+
+static void func_with_exception_spec() throw(expected)
+{
+  throw unexpected();
+}
+
+static void unexpected_handler()
+{
+  throw from_handler();
+}
+
+static void terminate_handler()
+{
+  exit(0);
+}
+
+// libstdc++/59392
+int main()
+{
+  std::set_unexpected(unexpected_handler);
+  std::set_terminate(terminate_handler);
+  try {
+    func_with_exception_spec();
+  } catch (expected&) {
+    abort();
+  }
+  abort();
+}