[Bug go/79281] gccgo: Binaries using goroutines crash on m68k

[jrtc27 at jrtc27 dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79281

--- Comment #4 from James Clarke <jrtc27 at jrtc27 dot com> ---
Ah, sorry, there's a separate C implementation of all this. I imagine it's the
bools in "struct M" in runtime.h messing it up, so "struct Note" and "struct
Lock" need __attribute__((aligned(4))) on their key fields.