[gcc r11-8963] Daily bump.

[gcc r11-8963] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:54cbe8523e9219196dea3554996dad5e3a823dd4

commit r11-8963-g54cbe8523e9219196dea3554996dad5e3a823dd4
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Mon Sep 6 00:17:59 2021 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP           |  2 +-
 gcc/fortran/ChangeLog   | 19 +++++++++++++++++++
 gcc/testsuite/ChangeLog | 16 ++++++++++++++++
 3 files changed, 36 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 7633bd11fbf..7ef53293a13 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210905
+20210906
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index ae9bac3e0fa..8aaae91639a 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,22 @@
+2021-09-05  Harald Anlauf  <anlauf@gmx.de>
+
+	Backported from master:
+	2021-08-31  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/100950
+	* simplify.c (substring_has_constant_len): Minimize checks for
+	substring expressions being allowed.
+
+2021-09-05  Harald Anlauf  <anlauf@gmx.de>
+
+	Backported from master:
+	2021-08-19  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/100950
+	* simplify.c (substring_has_constant_len): New.
+	(gfc_simplify_len): Handle case of substrings with constant
+	bounds.
+
 2021-09-03  Harald Anlauf  <anlauf@gmx.de>
 
 	Backported from master:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d3e2c7e1e09..ee1e8b2b9b5 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,19 @@
+2021-09-05  Harald Anlauf  <anlauf@gmx.de>
+
+	Backported from master:
+	2021-08-31  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/100950
+	* gfortran.dg/pr100950.f90: Extend coverage.
+
+2021-09-05  Harald Anlauf  <anlauf@gmx.de>
+
+	Backported from master:
+	2021-08-19  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/100950
+	* gfortran.dg/pr100950.f90: New test.
+
 2021-09-03  Harald Anlauf  <anlauf@gmx.de>
 
 	Backported from master: