merge with gcc-9-branch@277432ARM/arm-9-branch

git-svn-id: https://gcc.gnu.org/svn/gcc/branches/ARM/arm-9-branch@277439 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 57 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/18_support/set_terminate.cc b/libstdc++-v3/testsuite/18_support/set_terminate.cc
new file mode 100644
index 00000000000..81f182a7a76
--- /dev/null
+++ b/libstdc++-v3/testsuite/18_support/set_terminate.cc
@@ -0,0 +1,57 @@
+// Copyright (C) 2019 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/>.
+
+// { dg-options "-std=gnu++11" }
+// { dg-do run }
+
+#include <exception>
+#include <testsuite_hooks.h>
+
+void term_handler() { __builtin_abort(); }
+
+void
+test01()
+{
+  const std::terminate_handler orig = std::get_terminate();
+  VERIFY( orig != 0 ); // GNU-specific behaviour
+
+  std::terminate_handler prev = std::set_terminate(term_handler);
+  VERIFY( std::get_terminate() == term_handler );
+  VERIFY( prev == orig );
+
+  prev = std::set_terminate(orig);
+  VERIFY( std::get_terminate() == orig );
+  VERIFY( prev == term_handler );
+}
+
+void
+test02()
+{
+  // PR libstdc++/90682
+  std::set_terminate(0); // Undefined in C++98, unspecified in C++11 and later
+  const std::terminate_handler dfault = std::get_terminate();
+  VERIFY( dfault != 0 ); // GNU-specific behaviour
+  const std::terminate_handler prev = std::set_terminate(0);
+  VERIFY( prev == dfault );
+}
+
+int
+main()
+{
+  test01();
+  test02();
+}