[Bug target/64368] [5 Regression] Several libstdc++ test failures on non-linux platforms after r218964.

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64368

--- Comment #22 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to howarth from comment #20)
> On x86_64-apple-darwin14, the failures are now reduced to...
> 
> FAIL: 22_locale/conversions/string/2.cc execution test

PR 64797

> FAIL: 23_containers/unordered_map/requirements/explicit_instantiation/2.cc
> (test for excess errors)
> FAIL: 23_containers/unordered_map/requirements/explicit_instantiation/4.cc
> (test for excess errors)

PR 64813

> FAIL: 30_threads/shared_lock/cons/1.cc (test for excess errors)
> FAIL: 30_threads/shared_lock/cons/2.cc (test for excess errors)
> FAIL: 30_threads/shared_lock/cons/3.cc (test for excess errors)
> FAIL: 30_threads/shared_lock/cons/4.cc (test for excess errors)
> FAIL: 30_threads/shared_lock/locking/1.cc (test for excess errors)
> FAIL: 30_threads/shared_lock/locking/2.cc (test for excess errors)
> FAIL: 30_threads/shared_lock/modifiers/1.cc (test for excess errors)
> FAIL: 30_threads/shared_lock/modifiers/2.cc (test for excess errors)
> FAIL: 30_threads/shared_lock/requirements/explicit_instantiation.cc (test
> for excess errors)
> FAIL: 30_threads/shared_lock/requirements/typedefs.cc (test for excess
> errors)
> FAIL: 30_threads/shared_timed_mutex/cons/1.cc (test for excess errors)
> FAIL: 30_threads/shared_timed_mutex/requirements/standard_layout.cc (test
> for excess errors)
> FAIL: 30_threads/shared_timed_mutex/try_lock/1.cc (test for excess errors)
> FAIL: 30_threads/shared_timed_mutex/try_lock/2.cc (test for excess errors)

Fixed by r220161

> FAIL: experimental/feat-cxx14.cc (test for excess errors)

Maybe also fixed by r220161

--- Comment #23 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Tue Jan 27 11:12:04 2015
New Revision: 220161

URL: https://gcc.gnu.org/viewcvs?rev=220161&root=gcc&view=rev
Log:
    PR libstdc++/64368
    * include/std/shared_mutex (shared_timed_mutex::try_lock_for,
    shared_timed_mutex::try_lock_until): Only define when POSIX thread
    timeouts option is supported.
    (shared_timed_mutex::try_shared_lock_for,
    shared_timed_mutex::try_shared_lock_until): Likewise.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/shared_mutex