[gcc r9-9536] Daily bump.

[gcc r9-9536] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:3a685df9a684705fe9079b8e5f48d110b5e46603

commit r9-9536-g3a685df9a684705fe9079b8e5f48d110b5e46603
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue May 18 00:19:25 2021 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 9 +++++++++
 gcc/DATESTAMP           | 2 +-
 gcc/testsuite/ChangeLog | 8 ++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8b0b1a0cec9..1d970773ba8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+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.
+
 2021-05-12  Alex Coplan  <alex.coplan@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 388eb51ae8b..336b9703c98 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.
+
 2021-05-12  Alex Coplan  <alex.coplan@arm.com>
 
 	Backported from master: