https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111892
Oleg Endo <olegendo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |NEW --- Comment #4 from Oleg Endo <olegendo at gcc dot gnu.org> --- This seems to be a dup of PR 111001. Compiling the pre processed source with GCC-13 sh-elf cross compiler with sh-elf-gcc -m4 -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security -DHAVE_CONFIG_H -c -dp -fdump-rtl-all -fdump-rtl-all-details rw_bitmaps.i shows that the sh_treg_combine2 pass is hitting an infinite loop.