[gcc r9-9595] Daily bump.

[GCC Administrator <gccadmin@gcc.gnu.org>]

https://gcc.gnu.org/g:cef60576f3452326a2cae740fb83107486152142

commit r9-9595-gcef60576f3452326a2cae740fb83107486152142
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sat Jun 19 00:19:19 2021 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libitm/ChangeLog       |  8 ++++++
 libstdc++-v3/ChangeLog | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 76 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 1c09ea68c98..a522144b0f9 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210618
+20210619
diff --git a/libitm/ChangeLog b/libitm/ChangeLog
index 22d7711bb98..156378b7f0b 100644
--- a/libitm/ChangeLog
+++ b/libitm/ChangeLog
@@ -1,3 +1,11 @@
+2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/91488
+	* testsuite/libitm.c++/libstdc++-pr91488.C: New test.
+
 2021-06-01  Release Manager
 
 	* GCC 9.4.0 released.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 4a898cd27d7..953926f507d 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,70 @@
+2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/95833
+	* include/std/numeric (reduce(Iter, Iter, T, BinaryOp)): Replace
+	incorrect static_assert with ones matching the 'Mandates'
+	conditions in the standard.
+	* testsuite/26_numerics/reduce/95833.cc: New test.
+
+2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-05-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/100630
+	* include/bits/fs_path.h (__is_constructible_from): Test
+	construction from a const lvalue, not an rvalue.
+	* include/experimental/bits/fs_path.h (__is_constructible_from):
+	Likewise.
+	* testsuite/27_io/filesystem/path/construct/100630.cc: New test.
+	* testsuite/experimental/filesystem/path/construct/100630.cc:
+	New test.
+
+2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-05-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/100384
+	* include/std/variant (__get_t): New alias template yielding the
+	return type of std::get<N> on a variant.
+	(__visit_result_t): New alias template yielding the result of
+	std::visit.
+	(__do_visit): Use __get_t.
+	(visit): Use __visit_result_t for return type.
+	* testsuite/20_util/variant/100384.cc: New test.
+
+2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-04-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/99006
+	* include/bits/shared_ptr.h (allocate_shared): Assert that _Tp
+	is not an array type.
+	* include/bits/shared_ptr_base.h (__allocate_shared): Likewise.
+	* testsuite/20_util/shared_ptr/creation/99006.cc: New test.
+
+2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/91488
+	* include/bits/char_traits.h (__constant_string_p)
+	(__constant_array_p): Give external linkage.
+
+2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-03-11  Jonathan Wakely  <jwakely@redhat.com>
+
+	* python/libstdcxx/v6/printers.py (find_type): Use tag attribute
+	instead of unqualified() method.
+
 2021-06-01  Release Manager
 
 	* GCC 9.4.0 released.