On 12 December 2016 at 00:47, Andreas Schwab <schwab@linux-m68k.org> wrote:

sit-for returns early if input is available.  Use sleep-for if you don't
> want that.
>

Thanks. That means there is no weird behaviour. Just a crash.

By the way, when I run the test with a debug build under GDB, the crash
reliably happens every time I run the test case.