internal error: eval_thunk_selector: strange selectee 29

[Ketil Z. Malde]

"Simon Marlow" <simonmar at microsoft.com> writes:

>> There is something really fishy going on; I checked out the same code
>> in a different directory, and built it in the same way, without
>> getting the same behaviour.

> Hmm.  Profiling isn't deterministic though, because heap samples happen
> based on a timer interrupt, so you might get different results if you
> run it multiple times.

>> I'm not quite sure what kind of confusion that led to the error (or
>> the fact that my run times suddenly were tripled); possibly some old
>> .o or .hi file got copied in by mistake?

> Possibly, or possibly a recompilation bug (are you using --make?).

Yes, I am.  I got the error several times, but when I cleaned
everything up, it seems to have gone away -- as did the tripled
running times (and yes, they were user/system times, not just wall
clock).  Very puzzling.

Unfortunately, a 'make clean' removed all the evidence -- if I stumble
over it again, I'll make a copy first.

-kzm
-- 
If I haven't seen further, it is by standing in the footprints of giants