[gcc r10-9917] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:03b6b44428c7e050aa4bb53ed49c3f5fef4f33a9

commit r10-9917-g03b6b44428c7e050aa4bb53ed49c3f5fef4f33a9
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue Jun 15 00:17:29 2021 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index d9253cc91e7..78287281a18 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210614
+20210615
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index ab9d809d77b..630b2a42dcd 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,34 @@
+2021-06-14  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-05-10  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/20_util/scoped_allocator/69293_neg.cc: Add dg-error
+	for additional errors in C++20.
+	* testsuite/20_util/uses_allocator/69293_neg.cc: Likewise.
+	* testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
+
+2021-06-14  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-06-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/100982
+	* include/std/optional (optional::operator=(const optional<U>&)):
+	Fix value category used in is_assignable check.
+	* testsuite/20_util/optional/assignment/100982.cc: New test.
+
+2021-06-14  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-06-14  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/101034
+	* include/std/any (any(in_place_t<T>, initializer_list<U>, A&&...))
+	(any::emplace<T>(initializer_list<U>, A&&...)): Fix constraint
+	to use lvalue.
+	* testsuite/20_util/any/cons/101034.cc: New test.
+
 2021-06-10  Patrick Palka  <ppalka@redhat.com>
 
 	Backported from master: