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fix compile-time bug compiling (+ "foo" " bar")

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* module/language/tree-il/primitives.scm (+, -): Avoid calling exact? on
  non-numeric args.
This commit is contained in:
Andy Wingo 2009-09-06 14:13:48 +02:00
parent 56664c089c
commit eebff6d7f1
1 changed files with 3 additions and 3 deletions
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6
module/language/tree-il/primitives.scm
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@ -208,11 +208,11 @@
(x) x
(x y) (if (and (const? y)
(let ((y (const-exp y)))
(and (exact? y) (= y 1))))
(and (number? y) (exact? y) (= y 1))))
(1+ x)
(if (and (const? x)
(let ((x (const-exp x)))
(and (exact? x) (= x 1))))
(and (number? y) (exact? x) (= x 1))))
(1+ y)
(+ x y)))
(x y z . rest) (+ x (+ y z . rest)))
@ -226,7 +226,7 @@
(x) (- 0 x)
(x y) (if (and (const? y)
(let ((y (const-exp y)))
(and (exact? y) (= y 1))))
(and (number? y) (exact? y) (= y 1))))
(1- x)
(- x y))
(x y z . rest) (- x (+ y z . rest)))