[gcc r8-10930] Daily bump.

[gcc r8-10930] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:d7f537a3178d012599cbda75e14dd1b45674a8bc

commit r8-10930-gd7f537a3178d012599cbda75e14dd1b45674a8bc
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Fri Apr 30 00:19:13 2021 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 12 ++++++++++++
 gcc/DATESTAMP           |  2 +-
 gcc/testsuite/ChangeLog |  8 ++++++++
 libstdc++-v3/ChangeLog  |  9 +++++++++
 4 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e4416590853..472322cf056 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,15 @@
+2021-04-29  Richard Biener  <rguenther@suse.de>
+
+	Backported from master:
+	2021-04-28  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/99954
+	* tree-loop-distribution.c: Include tree-affine.h.
+	(generate_memcpy_builtin): Try using tree-affine to prove
+	non-overlap.
+	(loop_distribution::classify_builtin_ldst): Always classify
+	as PKIND_MEMMOVE.
+
 2021-04-28  Uros Bizjak  <ubizjak@gmail.com>
 
 	Backported from master:
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index d04d9806e5b..e485971526c 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210429
+20210430
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fe89b89c3bd..1f0d390f98b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2021-04-29  Richard Biener  <rguenther@suse.de>
+
+	Backported from master:
+	2021-04-28  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/99954
+	* gcc.dg/torture/pr99954.c: New testcase.
+
 2021-04-28  Uros Bizjak  <ubizjak@gmail.com>
 
 	Backported from master:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index bc27bc9d312..720edc410f1 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,12 @@
+2021-04-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-04-28  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/basic_string.h (__cpp_lib_constexpr_string): Define.
+	* testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
+	Check for __cpp_lib_constexpr_string.
+
 2021-04-22  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from master: