Opened 2 weeks ago

#453 new defect

Compiler failure with stack inconsistency

Reported by: mevenson Owned by:
Priority: major Milestone: 1.6.0
Component: compiler Version:
Keywords: Cc:
Parent Tickets:

Description

Paul Dietz reports in <https://mailman.common-lisp.net/pipermail/armedbear-devel/2017-October/003884.html>

(defparameter *abcl1*
  '(lambda (a)
    (declare (optimize (debug 0) (compilation-speed 1)
              (speed 2) (space 3) (safety 1)))
    (ash 0
     (bit #*0100
      (catch 'ct7 a)))))

(defun test1 ()
  (let ((fn (compile nil *abcl1*)))
    (mapcar fn '(0 1 2 3))))

(test1) ==>

; Caught ERROR:
;   Stack inconsistency detected in <unknown> at index 40: found 2, expected 0.

c.f. <https://github.com/armedbear/abcl/issues/69>

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