[gcc r9-9337] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:ec0f3a7109330f66106f84f933eb133e05b59516

commit r9-9337-gec0f3a7109330f66106f84f933eb133e05b59516
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sat Apr 10 00:18:42 2021 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 29 +++++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index e82c93a645d..8d175511292 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210409
+20210410
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index ae64ee108aa..801ddd8403d 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,32 @@
+2021-04-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR bootstrap/99983
+	* include/bits/hashtable.h (_Hashtable): Fix noexcept-specifier
+	on definition to match the one on the declaration.
+
+2021-04-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-04-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/99985
+	* include/bits/hashtable.h (_Hashtable::_S_nothrow_move()): Fix
+	to be a valid constexpr function in C++11.
+	* testsuite/23_containers/unordered_set/cons/99985.cc: New test.
+
+2021-04-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-04-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/fs_fwd.h: Fix doxygen group command.
+	* include/bits/regex.h: Likewise.
+	* include/bits/streambuf_iterator.h: Likewise.
+	* include/bits/unique_lock.h: Likewise.
+	* include/std/chrono: Likewise.
+	* include/std/thread: Likewise.
+	* include/tr1/complex: Likewise.
+
 2021-04-08  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: