[gcc r12-8554] Daily bump.

[gcc r12-8554] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:ce40e06ea994dbb23e7856f02e2a8c06b7519dce

commit r12-8554-gce40e06ea994dbb23e7856f02e2a8c06b7519dce
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu Jul 7 00:19:11 2022 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP           |  2 +-
 gcc/c-family/ChangeLog  | 17 +++++++++++++++++
 gcc/testsuite/ChangeLog | 15 +++++++++++++++
 3 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index ebfebbb1842..56ceb7f4c69 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20220706
+20220707
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 5509e9aff10..4c32715b507 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,20 @@
+2022-07-06  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-06-30  Jonathan Wakely  <jwakely@redhat.com>
+
+	* known-headers.cc (get_stdlib_header_for_name): Add <time.h>
+	names.
+
+2022-07-06  Marek Polacek  <polacek@redhat.com>
+
+	Backported from master:
+	2022-07-05  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/105626
+	* c-format.cc (check_format_arg): Don't emit -Wformat warnings with
+	u8 strings.
+
 2022-05-18  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* c-ada-spec.cc (dump_ada_node) <COMPLEX_TYPE>: Deal with usual
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ad4d2dbaba4..d1f2cb7218a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,18 @@
+2022-07-06  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-06-30  Jonathan Wakely  <jwakely@redhat.com>
+
+	* g++.dg/spellcheck-stdlib.C: Check <ctime> types and functions.
+
+2022-07-06  Marek Polacek  <polacek@redhat.com>
+
+	Backported from master:
+	2022-07-05  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/105626
+	* g++.dg/warn/Wformat-char8_t-1.C: New test.
+
 2022-07-04  Andrew MacLeod  <amacleod@redhat.com>
 
 	PR tree-optimization/106114