[gcc r10-8790] Daily bump.

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

https://gcc.gnu.org/g:8a2f3019cec2af375dda151ffea933403c677b68

commit r10-8790-g8a2f3019cec2af375dda151ffea933403c677b68
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Wed Sep 23 00:17:02 2020 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           |  7 +++++++
 gcc/DATESTAMP           |  2 +-
 gcc/testsuite/ChangeLog | 10 ++++++++++
 libstdc++-v3/ChangeLog  | 35 +++++++++++++++++++++++++++++++++++
 4 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cd736560416..4ee92d4bc20 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2020-09-22  David Faust  <david.faust@oracle.com>
+
+	Backported from master:
+	2020-09-22  David Faust  <david.faust@oracle.com>
+
+	* config/bpf/bpf.md: Add defines for signed div and mod operators.
+
 2020-09-20  John David Anglin  < danglin@gcc.gnu.org>
 
 	* config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Delete.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index ca3ee10cb82..1a983d8f051 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20200922
+20200923
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5b841c5877f..5db056a82fc 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,13 @@
+2020-09-22  David Faust  <david.faust@oracle.com>
+
+	Backported from master:
+	2020-09-22  David Faust  <david.faust@oracle.com>
+
+	* gcc.target/bpf/diag-sdiv.c: New test.
+	* gcc.target/bpf/diag-smod.c: New test.
+	* gcc.target/bpf/xbpf-sdiv-1.c: New test.
+	* gcc.target/bpf/xbpf-smod-1.c: New test.
+
 2020-09-18  Harald Anlauf  <anlauf@gmx.de>
 
 	Backported from master:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index b82652663a5..c2054dfcb91 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,38 @@
+2020-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2020-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/97167
+	* src/c++17/fs_path.cc (path::_Parser::root_path()): Check
+	for empty string before inspecting the first character.
+	* testsuite/27_io/filesystem/path/append/source.cc: Append
+	empty string_view to path.
+
+2020-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2020-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/96803
+	* include/std/tuple
+	(_Tuple_impl(allocator_arg_t, Alloc, const _Tuple_impl<U...>&)):
+	Use correct value category in __use_alloc call.
+	* testsuite/20_util/tuple/cons/96803.cc: Check with constructors
+	that require correct value category to be used.
+
+2020-09-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2020-08-26  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/96803
+	* include/std/tuple
+	(_Tuple_impl(allocator_arg_t, Alloc, const _Tuple_impl<U...>&)):
+	Replace parameter pack with a type parameter and a pack and pass
+	the first type to __use_alloc.
+	* testsuite/20_util/tuple/cons/96803.cc: New test.
+
 2020-09-21  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: