[Bug libstdc++/54297] [C++11] Segmentation fault with std::async and released shared state

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54297

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-08-25 
23:01:44 UTC ---
Author: redi
Date: Sat Aug 25 23:01:40 2012
New Revision: 190672

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190672
Log:
    PR libstdc++/54297
    * include/std/future (~_Async_state_impl): Join thread before
    derived class members are destroyed.
    (~_Async_state_common): Only define non-trivial destructor when
    included from future.cc for ABI compatibility reasons.
    * src/c++11/future.cc (_GLIBCXX_ABI_COMPAT_ASYNC): Define.
    * testsuite/30_threads/async/54297.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/30_threads/async/54297.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/future
    trunk/libstdc++-v3/src/c++11/future.cc