[gcc r10-9833] Daily bump.

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

https://gcc.gnu.org/g:e6cd786c73e4912c80bc40332bdcf0361dc97b6f

commit r10-9833-ge6cd786c73e4912c80bc40332bdcf0361dc97b6f
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue May 18 00:17:36 2021 +0000

    Daily bump.

Diff:
---
 contrib/ChangeLog       |  9 +++++++++
 gcc/ChangeLog           | 18 ++++++++++++++++++
 gcc/DATESTAMP           |  2 +-
 gcc/testsuite/ChangeLog |  8 ++++++++
 libstdc++-v3/ChangeLog  | 19 +++++++++++++++++++
 5 files changed, 55 insertions(+), 1 deletion(-)

diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index deb411bab65..5c3cf30578b 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 ab610a8f3da..8de15787b12 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,21 @@
+2021-05-17  Richard Biener  <rguenther@suse.de>
+
+	Backported from master:
+	2021-01-28  Richard Biener  <rguenther@suse.de>
+
+	PR rtl-optimization/80960
+	* dse.c (check_mem_read_rtx): Call get_addr on the
+	offsetted address.
+
+2021-05-17  Richard Biener  <rguenther@suse.de>
+
+	Backported from master:
+	2021-05-12  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/100566
+	* tree-ssa-sccvn.c (dominated_by_p_w_unex): Properly handle
+	allow_back for all edge queries.
+
 2021-05-13  Srinath Parvathaneni  <srinath.parvathaneni@arm.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/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 2410d32dd57..384907185fe 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2021-05-17  Richard Biener  <rguenther@suse.de>
+
+	Backported from master:
+	2021-05-12  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/100566
+	* gcc.dg/torture/pr100566.c: New testcase.
+
 2021-05-13  Richard Earnshaw  <rearnsha@arm.com>
 
 	* gcc.dg/pr100563.c: New test.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 86a44a4a704..eed41c387f1 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,22 @@
+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.
+
+2021-05-17  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.
+
 2021-05-05  Patrick Palka  <ppalka@redhat.com>
 
 	Backported from master: