https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106322
--- Comment #49 from Kewen Lin <linkw at gcc dot gnu.org> --- Hi Richi, One thing I'm not sure about is that if we want to backport this to gcc-11 and gcc-10? Although the failure got exposed by .MULH pattern recog which is only in gcc-12, IMHO the underlying issue exists in gcc-10 and gcc-11.
