https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106079
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Strange, in my 12 branch distro (scratch) build the only differences with the patch are: -FAIL: gfortran.dg/boz_15.f90 -O0 execution test -FAIL: gfortran.dg/boz_15.f90 -O1 execution test -FAIL: gfortran.dg/boz_15.f90 -O2 execution test -FAIL: gfortran.dg/boz_15.f90 -O3 -fomit-frame-pointer -funroll-loops -fpeel-loops -ftracer -finline-functions execution test -FAIL: gfortran.dg/boz_15.f90 -O3 -g execution test -FAIL: gfortran.dg/boz_15.f90 -Os execution test and nothing else.