OK, I've tracked it down to my last commit, which isn't yet pushed. It looks like my change tickled some bug in the compiler. I'll chase it down and fix it before I push.
On Sat, Sep 19, 2009 at 3:42 PM, Chris Hanson <c...@chris-hanson.org> wrote: > Thanks. So far it's looking like my last commit, but I'll know in an > hour or so. > > On Sat, Sep 19, 2009 at 3:31 PM, Joe Marshall <jmarsh...@alum.mit.edu> wrote: >> If there's anything I can help with, let me know. >> >> On Sat, Sep 19, 2009 at 12:58 PM, Chris Hanson <c...@chris-hanson.org> wrote: >>> Not yet. I've had trouble because some of the commits are broken and >>> require patching. Also, I got sloppy late last night so I have to >>> re-do some of the tests. I just semi-automated the testing process >>> and made a more careful log of the known results. I should have >>> something in a few hours. >>> >>> On Sat, Sep 19, 2009 at 10:28 AM, Joe Marshall <jmarsh...@alum.mit.edu> >>> wrote: >>>> Any luck? >>>> >>>> On Fri, Sep 18, 2009 at 8:48 PM, Chris Hanson <c...@chris-hanson.org> >>>> wrote: >>>>> Not sure about that. I'm doing the bisection now. The bug isn't >>>>> present in commit 745a16218a43692d2c9ecdad72d1bab73fab0522 from Sept. >>>>> 7, so it's pretty recent. >>>>> >>>>> On Fri, Sep 18, 2009 at 8:35 PM, Joe Marshall <jmarsh...@alum.mit.edu> >>>>> wrote: >>>>>> On Fri, Sep 18, 2009 at 1:57 PM, Chris Hanson <c...@chris-hanson.org> >>>>>> wrote: >>>>>>> FYI, while testing my most recent changes, I ran across a recent >>>>>>> compiler bug. To reproduce: using the current compiler, do a fresh >>>>>>> compile from sources. Then use that compiler to do another fresh >>>>>>> compile. The second compilation hangs during the compilation of >>>>>>> "cref/anfile" (the very first file to compile). The problem appears >>>>>>> to be that the compiler is running map over a list of items, but that >>>>>>> the list is circular. >>>>>> >>>>>> Any indication of what sort of items are in the list? >>>>>> Any idea of which procedure is being compiled? >>>>>> What compiler phase? >>>>>> >>>>>> I fixed a bug in SF that was preventing things like >>>>>> ((access vector-ref system-global-environment) ....) >>>>>> from being optimized. I tested it pretty well on a second and >>>>>> third generation syntaxing of itself, but maybe it created some >>>>>> scode that works for the interpreter, but isn't quite kosher >>>>>> for the compiler. >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> ~jrm >>>>>> >>>>> >>>> >>>> >>>> >>>> -- >>>> ~jrm >>>> >>> >> >> >> >> -- >> ~jrm >> > _______________________________________________ MIT-Scheme-devel mailing list MIT-Scheme-devel@gnu.org http://lists.gnu.org/mailman/listinfo/mit-scheme-devel
