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diff --git a/libstdc++-v3/testsuite/30_threads/try_lock/3.cc b/libstdc++-v3/testsuite/30_threads/try_lock/3.cc
new file mode 100644
index 00000000..66e15427
--- /dev/null
+++ b/libstdc++-v3/testsuite/30_threads/try_lock/3.cc
@@ -0,0 +1,91 @@
+// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
+// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
+// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
+// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
+// { dg-require-cstdint "" }
+// { dg-require-gthreads "" }
+
+// Copyright (C) 2008, 2009 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
+// .
+
+
+#include
+#include
+#include
+
+struct user_lock
+{
+ user_lock() : is_locked(false) { }
+ ~user_lock() = default;
+ user_lock(const user_lock&) = default;
+
+ void lock()
+ {
+ bool test __attribute__((unused)) = true;
+ VERIFY( !is_locked );
+ is_locked = true;
+ }
+
+ bool try_lock()
+ { return is_locked ? false : (is_locked = true); }
+
+ void unlock()
+ {
+ bool test __attribute__((unused)) = true;
+ VERIFY( is_locked );
+ is_locked = false;
+ }
+
+private:
+ bool is_locked;
+};
+
+int main()
+{
+ bool test __attribute__((unused)) = true;
+
+ try
+ {
+ std::mutex m1;
+ std::recursive_mutex m2;
+ user_lock m3;
+
+ try
+ {
+ //heterogeneous types
+ int result = std::try_lock(m1, m2, m3);
+ VERIFY( result == -1 );
+ m1.unlock();
+ m2.unlock();
+ m3.unlock();
+ }
+ catch (const std::system_error& e)
+ {
+ VERIFY( false );
+ }
+ }
+ catch (const std::system_error& e)
+ {
+ VERIFY( false );
+ }
+ catch (...)
+ {
+ VERIFY( false );
+ }
+
+ return 0;
+}