[gcc r11-8427] Daily bump.

[gcc r11-8427] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:0d9e251627200e4c2715cb563da01965e6ce9077

commit r11-8427-g0d9e251627200e4c2715cb563da01965e6ce9077
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue May 18 00:18:33 2021 +0000

    Daily bump.

Diff:
---
 contrib/ChangeLog       |  9 +++++++++
 gcc/ChangeLog           | 25 +++++++++++++++++++++++++
 gcc/DATESTAMP           |  2 +-
 gcc/fortran/ChangeLog   |  8 ++++++++
 gcc/testsuite/ChangeLog | 15 +++++++++++++++
 libgomp/ChangeLog       |  9 +++++++++
 libstdc++-v3/ChangeLog  | 28 ++++++++++++++++++++++++++++
 7 files changed, 95 insertions(+), 1 deletion(-)

diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index f2705dd5d68..8a73b57ccca 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,12 @@
+2021-05-17  Richard Biener  <rguenther@suse.de>
+
+	Backported from master:
+	2021-05-17  Richard Biener  <rguenther@suse.de>
+
+	* download_prerequisites: Update mpfr version to 3.1.6.
+	* prerequisites.md5: Update.
+	* prerequisites.sha512: Likewise.
+
 2021-05-14  Martin Liska  <mliska@suse.cz>
 
 	* gcc-changelog/git_check_commit.py: Sync from master.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4f91817afd8..23fcbed1120 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,28 @@
+2021-05-17  Alex Coplan  <alex.coplan@arm.com>
+
+	Backported from master:
+	2021-04-27  Alex Coplan  <alex.coplan@arm.com>
+
+	PR target/99977
+	* config/arm/arm.c (arm_split_compare_and_swap): Fix up codegen
+	with negative immediates: ensure we expand cbranchsi4_scratch
+	correctly and ensure we satisfy its constraints.
+	* config/arm/sync.md
+	(@atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): Don't
+	attempt to tie two output operands together with constraints;
+	collapse two alternatives.
+	(@atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): Likewise.
+	* config/arm/thumb1.md (cbranchsi4_neg_late): New.
+
+2021-05-17  Marius Hillenbrand  <mhillen@linux.ibm.com>
+
+	Backported from master:
+	2021-05-17  Marius Hillenbrand  <mhillen@linux.ibm.com>
+
+	PR bootstrap/100552
+	* configure.ac: Replace pattern substitution with call to sed.
+	* configure: Regenerate.
+
 2021-05-13  Tobias Burnus  <tobias@codesourcery.com>
 
 	Backported from master:
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 915a0b235e7..7fa5a770779 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210517
+20210518
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index b072f2b4eb9..d4499fb1f1b 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,11 @@
+2021-05-17  Tobias Burnus  <tobias@codesourcery.com>
+
+	Backported from master:
+	2021-05-14  Tobias Burnus  <tobias@codesourcery.com>
+
+	* resolve.c (resolve_symbol): Handle implicit SAVE of main-program
+	for vars in 'omp threadprivate' and 'omp declare target'.
+
 2021-05-05  Harald Anlauf  <anlauf@gmx.de>
 
 	Backported from master:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e4fd12da058..7caed40d045 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,18 @@
+2021-05-17  Alex Coplan  <alex.coplan@arm.com>
+
+	Backported from master:
+	2021-04-27  Alex Coplan  <alex.coplan@arm.com>
+
+	PR target/99977
+	* gcc.target/arm/pr99977.c: New test.
+
+2021-05-17  Tobias Burnus  <tobias@codesourcery.com>
+
+	Backported from master:
+	2021-05-14  Tobias Burnus  <tobias@codesourcery.com>
+
+	* gfortran.dg/gomp/implicit-save.f90: New test.
+
 2021-05-14  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master:
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 7e0fe3d4659..0ce541fa7eb 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,12 @@
+2021-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
+
+	Backported from master:
+	2021-05-17  Kwok Cheung Yeung  <kcy@codesourcery.com>
+
+	* task.c (omp_fulfill_event): Call gomp_team_barrier_set_task_pending
+	if new tasks generated.
+	* testsuite/libgomp.c-c++-common/task-detach-13.c: New.
+
 2021-05-13  Tobias Burnus  <tobias@codesourcery.com>
 
 	Backported from master:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 055b5f353c5..e97734abdca 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,31 @@
+2021-05-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-05-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/100630
+	* include/experimental/bits/fs_path.h (__is_constructible_from):
+	Test construction from a const lvalue, not an rvalue.
+	* testsuite/27_io/filesystem/path/construct/100630.cc: New test.
+	* testsuite/experimental/filesystem/path/construct/100630.cc:
+	New test.
+
+2021-05-17  Thomas Rodgers  <rodgert@twrodgers.com>
+
+	Backported from master:
+	2021-05-17  Thomas Rodgers  <rodgert@twrodgers.com>
+
+	* include/bits/atomic_wait.h (__waiter::_M_do_wait_v): loop
+	until value change observed.
+	(__waiter_base::_M_laundered): New member.
+	(__waiter_base::_M_notify): Check _M_laundered to determine
+	whether to wake one or all.
+	(__detail::__atomic_compare): Return true if call to
+	__builtin_memcmp() == 0.
+	(__waiter_base::_S_do_spin_v): Adjust predicate.
+	* testsuite/29_atomics/atomic/wait_notify/100334.cc: New
+	test.
+
 2021-05-12  Patrick Palka  <ppalka@redhat.com>
 
 	Backported from master: