diff options
| -rw-r--r-- | share/txr/stdlib/optimize.tl | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/share/txr/stdlib/optimize.tl b/share/txr/stdlib/optimize.tl index 0875231c..9acbbe5d 100644 --- a/share/txr/stdlib/optimize.tl +++ b/share/txr/stdlib/optimize.tl @@ -165,12 +165,10 @@ list)) (defun dedup-labels (insns) - (rewrite (lambda (tail) - (match-case tail - ((@(symbolp @label0) @(symbolp @label1) . @rest) - (set insns (mapcar [iffi listp (op subst label1 label0)] - (remq label1 insns))) - (list* label0 rest)) - (@else tail))) - insns) + (rewrite-case tail insns + ((@(symbolp @label0) @(symbolp @label1) . @rest) + (set insns (mapcar [iffi listp (op subst label1 label0)] + (remq label1 insns))) + (cons label0 rest)) + (@else tail)) insns) |