libstdc++: Ensure std::lock_guard is declared
authorJonathan Wakely <jwakely@redhat.com>
Tue, 3 Nov 2020 21:56:44 +0000 (21:56 +0000)
committerJonathan Wakely <jwakely@redhat.com>
Tue, 3 Nov 2020 21:56:44 +0000 (21:56 +0000)
commite1276e334298251d73303999d2adc688abbfc856
treeea3c287d5d76e59a9d98565150124fd1d5ec7e50
parentfab72592d86d11b89a01f0f3c2c9c329d43466c1
libstdc++: Ensure std::lock_guard is declared

libstdc++-v3/ChangeLog:

* include/std/syncstream: Include <bits/std_mutex.h>
unconditionally.
libstdc++-v3/include/std/syncstream