Merge remote-tracking branch 'origin/releases/gcc-10' into devel/omp/gcc-10

Merged up to a6c47f4ce26639bfbc72821ae629b9af7744a9d7 (2020-09-28)

diff --cc gcc/config/i386/i386.c
Simple merge

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

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