[gcc/devel/omp/gcc-11] Merge remote-tracking branch 'origin/releases/gcc-11' into devel/omp/gcc-11

[Tobias Burnus]

https://gcc.gnu.org/g:7e410a3c70bf94acb332f3f49a4f21d6e276bdb0

commit 7e410a3c70bf94acb332f3f49a4f21d6e276bdb0
Merge: 786503593c4 654d1bd86a6
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Mon Sep 27 14:48:23 2021 +0200

    Merge remote-tracking branch 'origin/releases/gcc-11' into devel/omp/gcc-11
    
    Merge up to r11-9033-g654d1bd86a6d62e03530872d519a20bd06ae3a50 (Sept 27, 2021)

Diff:

 gcc/ChangeLog                            | 34 ++++++++++++++++++++++++++++++++
 gcc/DATESTAMP                            |  2 +-
 gcc/config/s390/s390.c                   | 10 ++++++++++
 gcc/config/s390/tpf.md                   |  6 ++++--
 gcc/testsuite/ChangeLog                  |  7 +++++++
 gcc/testsuite/gcc.target/s390/pr102222.c | 16 +++++++++++++++
 gcc/tree-ssa-dse.c                       |  5 +++--
 gcc/tree-ssa-sccvn.c                     |  1 +
 8 files changed, 76 insertions(+), 5 deletions(-)