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

Merged up to 718a78fcfb03ca3c552800b510ef3eb085bcbb76 (May 31, 2021)

diff --cc gcc/doc/tm.texi
Simple merge

diff --cc gcc/doc/tm.texi.in
Simple merge

diff --cc gcc/fortran/trans-array.c
Simple merge

diff --cc gcc/fortran/trans-decl.c
Simple merge

diff --cc gcc/target.def
Simple merge