[ sisc-Bugs-1173831 ] optimizer falsly eliminates referenced let binding

Bugs item #1173831, was opened at 2005-03-31 05:34
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=379534&aid=1173831&group_id=23735

Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Scott G. Miller (scgmille)
Assigned to: Nobody/Anonymous (nobody)
Summary: optimizer falsly eliminates referenced let binding

Initial Comment:
When running r4rs-test.scm on 1.11.0-alpha (eg CVS
HEAD), the test dies in section 6.2 with the following
error:

Error in load.
?:?:?: <indeterminate call> [Repeated 3 times]
Caused by Error: undefined variable '|%%_yKgRztjFq_p|'.
file:tests/r4rs-test.scm:245:23: <from call to load>


Running (show) against the culprit test shows that the
optimizer is falsly eliminating the binding to "p" and
triggering the error.
Though we haven't made any optimizer changes, this does
*not* happen under 1.9.7.  Probably easy to find/fix,
but its late, so I'm filing this bug as a reminder mostly.

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