failed AVER: (NOT (SB-C:TN-REF-WRITE-P SB-C::REF))

Bug #1752636 reported by Paul F. Dietz on 2018-03-01
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
SBCL
Undecided
Unassigned

Bug Description

(lambda (x y z a)
  (do ((i (1+ y) (1+ i))) ((> i z))
    (multiple-value-bind (b w p)
        (%s nil nil nil nil nil
            nil nil nil nil nil
            nil nil nil nil nil
            nil nil nil nil nil
            nil nil nil nil nil
            nil nil nil nil nil
            nil nil nil nil nil
            nil nil nil nil nil
            nil nil nil nil nil
            nil nil nil nil nil
            nil nil nil nil nil
            nil nil nil nil nil)
      (when p
        (setf a (nunion b a))
        (return-from bad-block-name ;; not a valid block name
          (values i a w t))))))

==>

failed AVER: (NOT (SB-C:TN-REF-WRITE-P SB-C::REF))
[...]
  0: (SB-C::CONFLICT-ANALYZE-1-BLOCK #<SB-C::IR2-BLOCK :START-VOP #1=#<SB-C::VOP :INFO SB-C:CALL-NAMED :ARGS #<SB-C:TN-REF :TN #<SB-C:TN t1 :NORMAL> :WRITE-P NIL :VOP SB-C:CALL-NAMED> :RESULTS #<SB-C:TN-R..
  1: (SB-C::LIFETIME-POST-PASS #<SB-C:COMPONENT :NAME (LAMBDA (&OPTIONAL B W P &REST #:G2)) {1001967CF3}>)
  2: (SB-C::LIFETIME-ANALYZE #<SB-C:COMPONENT :NAME (LAMBDA (&OPTIONAL B W P &REST #:G2)) {1001967CF3}>)
  3: (SB-C::%COMPILE-COMPONENT #<SB-C:COMPONENT :NAME (LAMBDA (&OPTIONAL B W P &REST #:G2)) {1001967CF3}>)

Stas Boukarev (stassats) wrote :

8fbd2be3a56f361ec9b8f9684445bf020e8f201c

Changed in sbcl:
status: New → Fix Committed
Stas Boukarev (stassats) on 2018-03-31
Changed in sbcl:
status: Fix Committed → Fix Released
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