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Don't inline enumDeltaToInteger until its rules have had a chance to fire
author
simonpj@microsoft.com
<unknown>
Fri, 3 Apr 2009 09:17:50 +0000
(09:17 +0000)
committer
simonpj@microsoft.com
<unknown>
Fri, 3 Apr 2009 09:17:50 +0000
(09:17 +0000)
GHC/Num.lhs
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diff --git
a/GHC/Num.lhs
b/GHC/Num.lhs
index
307909d
..
19514b6
100644
(file)
--- a/
GHC/Num.lhs
+++ b/
GHC/Num.lhs
@@
-293,6
+293,8
@@
enumDeltaInteger x d = x `seq` (x : enumDeltaInteger (x+d) d)
-- head (drop 1000000 [1 .. ]
-- works
-- head (drop 1000000 [1 .. ]
-- works
+{-# NOINLINE [0] enumDeltaToIntegerFB #-}
+-- Don't inline this until RULE "enumDeltaToInteger" has had a chance to fire
enumDeltaToIntegerFB :: (Integer -> a -> a) -> a
-> Integer -> Integer -> Integer -> a
enumDeltaToIntegerFB c n x delta lim
enumDeltaToIntegerFB :: (Integer -> a -> a) -> a
-> Integer -> Integer -> Integer -> a
enumDeltaToIntegerFB c n x delta lim