* include/std/mutex (call_once): Store closure in __once_functor
as bound function wrapper might not be copyable.
From-SVN: r181128
+2011-11-07 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ * include/std/mutex (call_once): Store closure in __once_functor
+ as bound function wrapper might not be copyable.
+
2011-11-07 Andrew MacLeod <amacleod@redhat.com>
* include/bits/atomic_base.h (atomic_thread_fence): Revert.
__once_call = &__once_call_impl<decltype(__bound_functor)>;
#else
unique_lock<mutex> __functor_lock(__get_once_mutex());
- __once_functor = std::__bind_simple(std::forward<_Callable>(__f),
+ auto __callable = std::__bind_simple(std::forward<_Callable>(__f),
std::forward<_Args>(__args)...);
+ __once_functor = [&]() { __callable(); };
__set_once_functor_lock_ptr(&__functor_lock);
#endif