Bertram, Christian, thank you for help.
Can somebody apply the patch posted by Bertram in the previous message?
Please let me know if it is better to submit a ticket for it.
Here are the relevant changes:
[fix Data.Map.updateAt
Bertram Felgenhauer **20070718150340
See http://haskell.org/pipermail/libraries/2007-July/007785.html for a piece
of code triggering the bug. updateAt threw away parts of the tree making up
the map.
] {
hunk ./Data/Map.hs 526
- LT -> updateAt f i l
- GT -> updateAt f (i-sizeL-1) r
+ LT -> balance kx x (updateAt f i l) r
+ GT -> balance kx x l (updateAt f (i-sizeL-1) r)
}
Andriy
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