+2020-11-20 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2020-11-20 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/92546
+ * include/std/regex (pmr::smatch, pmr::wsmatch): Declare using
+ underlying __normal_iterator type, not nested typedef
+ basic_string::const_iterator.
+
+2020-11-20 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/97876
+ * include/std/stop_token (_Stop_state_t): Define default
+ constructor as user-provided not defaulted.
+
+2020-11-20 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2020-11-19 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/95989
+ * config/os/gnu-linux/os_defines.h (_GLIBCXX_NATIVE_THREAD_ID):
+ Define new macro to get reliable thread ID.
+ * include/std/stop_token (_Stop_state_t::_M_request_stop):
+ Use new macro if it's defined.
+ (_Stop_state_t::_M_remove_callback): Likewise.
+ * include/std/thread (this_thread::get_id): Likewise.
+ * testsuite/30_threads/jthread/95989.cc: New test.
+ * testsuite/30_threads/this_thread/95989.cc: New test.
+
2020-11-18 Patrick Palka <ppalka@redhat.com>
Backported from master: