[gcc r9-9004] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:1b454055b1d2c4bb806aca8a81d203a6b6762854

commit r9-9004-g1b454055b1d2c4bb806aca8a81d203a6b6762854
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue Oct 20 00:18:19 2020 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index d408c72ce93..90bac5173df 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201019
+20201020
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index db2a243f2e2..44307660a38 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,14 @@
+2020-10-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2020-09-21  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/97132
+	* include/std/memory (assume_aligned): Do not use
+	__builtin_assume_aligned during constant evaluation.
+	* testsuite/20_util/assume_aligned/1.cc: Improve test.
+	* testsuite/20_util/assume_aligned/97132.cc: New test.
+
 2020-10-08  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: