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

Merge up to r12-8692-gebf3cd1716139f210ff80ba2e2da42e666d72bec (17th Aug 2022)

diff --cc gcc/cp/parser.cc
Simple merge

diff --cc gcc/expr.cc
Simple merge

diff --cc gcc/omp-low.cc
Simple merge