+2020-12-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * config/os/djgpp/error_constants.h: Test POSIX errno macros
+ directly, instead of corresponding _GLIBCXX_HAVE_EXXX macros.
+ * config/os/mingw32-w64/error_constants.h: Likewise.
+ * config/os/mingw32/error_constants.h: Likewise.
+
+2020-12-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/lib/libstdc++.exp (check_v3_target_gthreads_timed):
+ Fix condition for _GTHREAD_USE_MUTEX_TIMEDLOCK test.
+
+2020-12-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++11/mutex.cc (std::once_flag::_M_finish): Add
+ maybe_unused attribute to variable used in assertion.
+
+2020-12-17 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/98344
+ * include/bits/semaphore_base.h: Fix preprocessor condition.
+
+2020-12-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/std_thread.h (hash<thread::id>): Move here,
+ from ...
+ * include/std/thread (hash<thread::id>): ... here.
+
+2020-12-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * config.h.in: Regenerate.
+ * configure: Regenerate.
+
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
* Makefile.in: Regenerate.