[gcc r11-8284] Daily bump.

[gcc r11-8284] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:a750d7d4cf46dc00a7360a89bd9711c06f9c640d

commit r11-8284-ga750d7d4cf46dc00a7360a89bd9711c06f9c640d
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Fri Apr 23 00:17:58 2021 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP           |  2 +-
 gcc/testsuite/ChangeLog | 17 +++++++++++++++++
 libgomp/ChangeLog       |  8 ++++++++
 libstdc++-v3/ChangeLog  | 39 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 65 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 87bf2ffa0db..7e3f420e369 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210422
+20210423
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c62306577c7..de72b76f878 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,20 @@
+2021-04-22  Tobias Burnus  <tobias@codesourcery.com>
+
+	Backported from master:
+	2021-04-22  Tobias Burnus  <tobias@codesourcery.com>
+
+	* gfortran.dg/set_vm_limit.c (set_vm_limit): Call getrlimit, use
+	obtained hard limit, and only call setrlimit if new softlimit is lower.
+
+2021-04-22  Richard Biener  <rguenther@suse.de>
+
+	Backported from master:
+	2021-04-22  Richard Biener  <rguenther@suse.de>
+
+	PR testsuite/100176
+	* objc.dg/gnu-encoding/struct-layout-encoding-1_generate.c: Add
+	missing return.
+
 2021-04-21  Richard Biener  <rguenther@suse.de>
 
 	Backported from master:
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 7b939ad757a..d3ada8b137f 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,11 @@
+2021-04-22  Richard Biener  <rguenther@suse.de>
+
+	Backported from master:
+	2021-04-22  Richard Biener  <rguenther@suse.de>
+
+	* testsuite/libgomp.c-c++-common/reduction-16.c: Use -latomic
+	only on nvptx-none.
+
 2021-04-19  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* testsuite/libgomp.oacc-c-c++-common/declare-vla-kernels-decompose-ice-1.c:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 574ad5933a0..9c35569c2db 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,42 @@
+2021-04-22  Thomas Rodgers  <rodgert@twrodgers.com>
+
+	Backported from master:
+	2021-04-22  Thomas Rodgers  <rodgert@twrodgers.com>
+
+	* include/bits/atomic_wait.h: Always notify waiters in the
+	case of 'bare' address notification.
+
+2021-04-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-04-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/100179
+	* include/bits/semaphore_base.h: Remove #error.
+	* include/std/semaphore: Do not define anything unless one of
+	the implementations is available.
+
+2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	Backported from master:
+	2021-04-22  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/100182
+	* testsuite/29_atomics/atomic_float/1.cc: Add dg-xfail-run-if for
+	ia32.
+	* testsuite/29_atomics/atomic_float/wait_notify.cc: Add dg-skip-if for
+	ia32.
+
+2021-04-22  Thomas Rodgers  <rodgert@twrodgers.com>
+
+	Backported from master:
+	2021-04-21  Thomas Rodgers  <rodgert@twrodgers.com>
+
+	* include/bits/semaphore_base.h: Always reload __old in
+	__atomic_semaphore::_S_do_try_acquire().
+	* testsuite/30_threads/stop_token/stop_callback/destroy.cc:
+	re-enable testcase.
+
 2021-04-21  Thomas Rodgers  <rodgert@twrodgers.com>
 
 	Backported from master: