https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112380
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- ``` Trying 25, 31, 32 -> 34: 25: strict_low_part(r114:TI#0)=r102:QI REG_DEAD r102:QI 31: {r131:SI=r130:SI&0x1f800;clobber flags:CC;} REG_DEAD r130:SI REG_UNUSED flags:CC 32: {r132:SI=r114:TI#0&0xfffffffffffe07ff;clobber flags:CC;} REG_UNUSED flags:CC 34: {r134:DI=zero_extend(r131:SI|r132:SI);clobber flags:CC;} REG_UNUSED flags:CC REG_DEAD r131:SI REG_DEAD r132:SI ``` Then crash.