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macro-debugger: another internal error bug

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svn: r18342
This commit is contained in:
Ryan Culpepper 2010-02-25 22:15:02 +00:00
parent ca8459a3a0
commit 6bb3b5f1b6
1 changed files with 3 additions and 3 deletions
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6
collects/macro-debugger/view/stepper.ss
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@ -425,7 +425,7 @@
(let ([deriv* (adjust-deriv/lift deriv)])
deriv*))
;; adjust-deriv/lift : Derivation -> (list-of Derivation)
;; adjust-deriv/lift : Deriv -> Deriv/#f
(define/private (adjust-deriv/lift deriv)
(match deriv
[(Wrap lift-deriv (e1 e2 first lifted-stx second))
@ -442,8 +442,8 @@
;; adjust-deriv/top : Derivation -> Derivation
(define/private (adjust-deriv/top deriv)
(if (or (and #| (syntax-source (wderiv-e1 deriv)) |#
(syntax-original? (wderiv-e1 deriv)))
(if (or (not deriv)
(syntax-original? (wderiv-e1 deriv))
(p:module? deriv))
deriv
;; It's not original...