https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62111
--- Comment #7 from dhowells at redhat dot com <dhowells at redhat dot com> --- Having said that, if I use make -k, I can get this: ../drivers/scsi/sd.c: In function 'sd_init_command': ../drivers/scsi/sd.c:1139:1: error: unrecognizable insn: } ^ (insn 1335 1334 9 190 (set (reg/v:DI 336 [ sector ]) (lshiftrt:DI (reg:DI 171 [ D.34693 ]) (const_int -10 [0xfffffffffffffff6]))) ../drivers/scsi/sd.c:707 -1 (nil)) ../drivers/scsi/sd.c:1139:1: internal compiler error: in extract_insn, at recog.c:2202 Do you want it reducing?