[gcc r10-9032] Daily bump.

[gcc r10-9032] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:89c56456573412b9fd31968d68085f6a993be13f

commit r10-9032-g89c56456573412b9fd31968d68085f6a993be13f
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue Nov 17 00:17:01 2020 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog          |  5 +++++
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 29 +++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cc1dccea60f..da873cc4ee8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2020-11-16  Cui,Lili  <lili.cui@intel.com>
+
+	* config/i386/i386.h: Add PREFETCHW to march=broadwell.
+	* doc/invoke.texi: Put PREFETCHW back to relation arch.
+
 2020-11-13  Thomas Schwinge  <thomas@codesourcery.com>
 
 	Backported from master:
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 69155b9380a..0ad54ab67bd 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201116
+20201117
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 70922ca84be..ccc01119686 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,32 @@
+2020-11-16  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2020-11-13  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/93456
+	* src/c++11/futex.cc (relative_timespec): Remove redundant check
+	negative values.
+	* testsuite/30_threads/future/members/93456.cc: New.
+
+2020-11-16  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2020-11-16  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++11/futex.cc (relative_timespec): New function to
+	create relative time from two absolute times.
+	(__atomic_futex_unsigned_base::_M_futex_wait_until): Use
+	relative_timespec.
+
+2020-11-16  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2020-11-12  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/std/future (future::wait_for): Do not wait for
+	durations less than or equal to zero.
+	* testsuite/30_threads/future/members/poll.cc: New test.
+
 2020-11-13  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: