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

Merge up to r11-9168-gcc84160c5f470b23b7aed4633f887df113b2675d (Oct 18, 2021).

diff --cc gcc/config/gcn/gcn.c
Simple merge

diff --cc gcc/config/gcn/mkoffload.c
Simple merge

diff --cc gcc/fortran/check.c
Simple merge