On Wed, Aug 13, 2014 at 07:40:57PM +0100, Jonathan Wakely wrote: > This should fix the Hurd bug in PR61841 as well as the problem > described in https://gcc.gnu.org/ml/gcc/2013-09/msg00196.html > > Tested x86_64-linux, committed to trunk. > > This is not suitable for the branches as it requires a new exported > symbol. We could maybe just add some other odr-use of pthread_create, > but it would probably be optimized away anyway.
E.g. __asm ("" : : "r" (&pthread_create)); would not be optimized away. > commit 79c721b72b7f9288256cc4bf388cf6b60b65e838 > Author: Jonathan Wakely <jwak...@redhat.com> > Date: Fri Jul 18 15:35:49 2014 +0100 > > PR libstdc++/61841 > * include/std/thread (thread::_M_start_thread): Declare new overload. > (thread::thread<_Callable, _Args...>): Call new overload with an > explicit reference to pthread_create. > * src/c++11/thread.cc (thread::_M_start_thread): Add new overload. > * config/abi/pre/gnu.ver: Export new function. Jakub