[gcc r9-8834] Daily bump.

[gcc r9-8834] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:d831749b21a934929c13b1a042b1872263600f6b

commit r9-8834-gd831749b21a934929c13b1a042b1872263600f6b
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu Aug 27 00:18:14 2020 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 1aa5e58d9a2..c7ea9e023ae 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20200826
+20200827
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index a2c0b5e94fa..e2e850f97fd 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,23 @@
+2020-08-26  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2020-08-26  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/71960
+	* include/experimental/string_view (basic_string_view):
+	Enable debug assertions.
+	* include/std/string_view (basic_string_view):
+	Likewise.
+
+2020-08-26  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2020-08-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/96766
+	* include/std/variant (_Variant_storage): Replace implicit
+	conversions from size_t to __index_type with explicit casts.
+
 2020-08-19  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: