I can replicate the error in my build, and I'm working on it.
At Mon, 30 Jan 2012 15:57:32 +0100, Marijn wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 30-01-12 15:21, Erik Dominikus wrote: > > Source code for reproducing attached. 'racket --version' shows > > 5.2. I built from source. > > > > The expected result is a list, but Racket gave this error message > > instead: > > > > > > internal error: flonum position not found > > > > === context === > > /kage/racket-5.2/collects/racket/private/stream-cons.rkt:42:0: > > stream-force > > /kage/racket-5.2/collects/racket/private/stream-cons.rkt:79:0: > > stream-null? > > /kage/racket-5.2/collects/racket/private/for.rkt:388:2: > > unsafe-stream-not-empty? /home/erik/scheme/bug.rkt:12:0: for-loop > > /home/erik/scheme/bug.rkt: [running body] > > > > > > and upon seeing that message for the first time, I was dumbstruck. > > I was quite sure that I made no transgression since I was using the > > library normally as documented, so I took 'internal error' as a > > bug. After tracing the error message to line 656 of the file > > src/racket/src/jitstate.c, I thought the bug is in the JITC. It > > turns out that disabling the JITC (racket -j) produces the expected > > result, so I'm somewhat more sure that the bug is in the JITC. > > > > > > In advance, I'd like to thank the people who will fix this bug, if > > it is really a bug. > > Hi Erik, > > I tried reproducing this bug from the attached code and found that it > works for me with today's master. This may mean that there is a bug in > the jit compiler only on the specific platform you are on (or that it > was already fixed), so you should prolly specify which platform you > are using, > > Marijn > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.18 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAk8mr9wACgkQp/VmCx0OL2wMLgCfQyi69ZHquH4VxlK+f168L0qQ > ozwAoId80hAg4An3Es2v9jHFJ20lvPMO > =SUNe > -----END PGP SIGNATURE----- > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users
