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from 55ae1f0 Ignore depricated warnings from <ext/hash_map> and <ext/hash_set> new a30cee2 Make system_error::message() thread safe. Fixes PR25598. new 10b52a0 Implement variadic lock_guard.

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Summary of changes: include/__config | 1 + include/__mutex_base | 19 +++- include/mutex | 91 +++++++++++++++++ src/system_error.cpp | 49 ++++++++- .../variadic_mutex_mangling.pass.cpp | 31 ++++++ .../generic_category.pass.cpp | 11 ++ .../syserr.errcat.objects/system_category.pass.cpp | 12 +++ .../thread.lock/thread.lock.guard/mutex.fail.cpp | 32 +----- .../thread.lock.guard/variadic_adopt_lock.pass.cpp | 62 +++++++++++ .../thread.lock.guard/variadic_assign.fail.cpp | 44 ++++++++ .../thread.lock.guard/variadic_copy.fail.cpp | 41 ++++++++ .../thread.lock.guard/variadic_mutex.fail.cpp | 47 +++++++++ .../thread.lock.guard/variadic_mutex.pass.cpp | 113 +++++++++++++++++++++ ...ypes.pass.cpp => variadic_mutex_cxx03.pass.cpp} | 20 ++-- .../thread.lock.guard/variadic_types.pass.cpp | 78 ++++++++++++++ www/cxx1z_status.html | 2 +- 16 files changed, 606 insertions(+), 47 deletions(-) create mode 100644 test/libcxx/thread/thread.mutex/thread.lock/thread.lock.guard/v [...] create mode 100644 test/std/thread/thread.mutex/thread.lock/thread.lock.guard/vari [...] create mode 100644 test/std/thread/thread.mutex/thread.lock/thread.lock.guard/vari [...] create mode 100644 test/std/thread/thread.mutex/thread.lock/thread.lock.guard/vari [...] create mode 100644 test/std/thread/thread.mutex/thread.lock/thread.lock.guard/vari [...] create mode 100644 test/std/thread/thread.mutex/thread.lock/thread.lock.guard/vari [...] copy test/std/thread/thread.mutex/thread.lock/thread.lock.guard/{types.pass.cpp => [...] create mode 100644 test/std/thread/thread.mutex/thread.lock/thread.lock.guard/vari [...]