Jonathan Wakely 8db7a05fd7 PR libstdc++/69724 avoid temporary in std::thread construction ... The std::thread constructor creates (and then moves) an unnecessary temporary copy of each argument. Optimize it to only make the one copy that is required. PR libstdc++/69724 * include/std/thread (thread::_State_impl, thread::_S_make_state): Replace single _Callable parameter with variadic _Args pack, to forward them directly to the tuple of decayed copies. * testsuite/30_threads/thread/cons/69724.cc: New test. From-SVN: r271166		2019-05-14 13:01:15 +01:00
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async	Fix tests that fail in C++2a mode	2019-01-29 00:47:32 +00:00
call_once	Update copyright years.	2019-01-01 13:31:55 +01:00
condition_variable	Update copyright years.	2019-01-01 13:31:55 +01:00
condition_variable_any	Update copyright years.	2019-01-01 13:31:55 +01:00
future	Update copyright years.	2019-01-01 13:31:55 +01:00
headers	Update copyright years.	2019-01-01 13:31:55 +01:00
lock	Update copyright years.	2019-01-01 13:31:55 +01:00
lock_guard	Update copyright years.	2019-01-01 13:31:55 +01:00
mutex	Update copyright years.	2019-01-01 13:31:55 +01:00
once_flag/cons	Update copyright years.	2019-01-01 13:31:55 +01:00
packaged_task	Update copyright years.	2019-01-01 13:31:55 +01:00
promise	Update copyright years.	2019-01-01 13:31:55 +01:00
recursive_mutex	Update copyright years.	2019-01-01 13:31:55 +01:00
recursive_timed_mutex	Update copyright years.	2019-01-01 13:31:55 +01:00
scoped_lock	Update copyright years.	2019-01-01 13:31:55 +01:00
shared_future	Update copyright years.	2019-01-01 13:31:55 +01:00
shared_lock	Update copyright years.	2019-01-01 13:31:55 +01:00
shared_mutex	Update copyright years.	2019-01-01 13:31:55 +01:00
shared_timed_mutex	Update copyright years.	2019-01-01 13:31:55 +01:00
this_thread	Update copyright years.	2019-01-01 13:31:55 +01:00
thread	PR libstdc++/69724 avoid temporary in std::thread construction	2019-05-14 13:01:15 +01:00
timed_mutex	Update copyright years.	2019-01-01 13:31:55 +01:00
try_lock	Update copyright years.	2019-01-01 13:31:55 +01:00
unique_lock	Update copyright years.	2019-01-01 13:31:55 +01:00