Merge branch 'releases/gcc-13' into devel/omp/gcc-13

Merge up to r13-7922-gb5b98a2d055d967d1fc92859827839c83c9368d7 (29th Sep 2023)

diff --cc gcc/cp/decl2.cc
Simple merge

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

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

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

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