https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79037
--- Comment #4 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> --- Disabling the Go garbage collector fixes this particular crash: (sid-m68k-sbuild)root@jessie64:~# GOGC=off ./hello-world Hello World! (sid-m68k-sbuild)root@jessie64:~# So it seems GOGC is not working properly on m68k.