[cmucl-imp] Function with declared result type NIL returned.

Raymond Toy toy.raymond at gmail.com
Wed Jun 15 03:20:20 UTC 2016

>>>>> "Mark" == Mark Cox <markcox80 at gmail.com> writes:

    Mark> G'day, I think there may be an issue with the way CMUCL
    Mark> handles return values.

    Mark> I'm having trouble developing a reduced test case so I have
    Mark> attached the code I encountered the issue with. The code
    Mark> relies on an external library titled external-program.

Thanks for the test case.  I can reproduce this on my system as well.

Based on the error message it seems as if external-program:start was
declared not to return actually returned.  That would seem to indicate
an error in external-program not cmucl.

But I'll look some more into this.

It would be great if you could file an issue if you have an account.
If not, don't  worry about it.


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