Merge branch 'releases/gcc-12' into devel/omp/gcc-12

Merge up to r12-8843-g912bdd5cfb92f6dd58accd755ad14f47c0df619e (18th Oct 2022)

diff --cc gcc/fortran/trans-expr.cc
Simple merge

diff --cc gcc/fortran/trans.h
Simple merge

diff --cc gcc/tree-ssa-pre.cc
Simple merge