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[Bug-mit-scheme] [bug #18764] compiler error in deeply nested loop

From: Taylor R. Campbell
Subject: [Bug-mit-scheme] [bug #18764] compiler error in deeply nested loop
Date: Fri, 12 Jan 2007 10:38:37 +0000
User-agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-US) AppleWebKit/420+ (KHTML, like Gecko, Safari/420) OmniWeb/v607


                 Summary: compiler error in deeply nested loop
                 Project: MIT/GNU Scheme
            Submitted by: riastradh
            Submitted on: Friday 01/12/07 at 10:38
                Category: compiler
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect behavior
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any



Compiling the loop at <http://paste.lisp.org/display/34944#1> with certain
declarations after loading these files:


yields the following error:

Block is not an ancestor #[reference-context 16] #[liar:block 17 stack

triples.scm contains the original source code, including the declarations
(omitting which makes the error go away); triples.pp.scm contains the
expanded code; and fg.txt contains the output of (SHOW-FG) after the error.

I tried to isolate the problem to simpler code, but to no avail.  Perhaps
when I'm less tired I'll try again.  The problem goes away if I strike out
the last three declarations, and also if I move the definition of ANY outside


File Attachments:

Date: Friday 01/12/07 at 10:38  Name: triples.scm  Size: 923B   By: riastradh

Date: Friday 01/12/07 at 10:38  Name: triples.pp.scm  Size: 5kB   By:



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