Shachaf Ben-Kiki <shac...@gmail.com> писал(а) в своём письме Tue, 29 Jan
2013 09:09:37 +0300:
That code is from base 4.5. Here's base 4.6:
quotRem x@(I32# x#) y@(I32# y#)
| y == 0 = divZeroError
-- Note [Order of tests]
| y == (-1) && x == minBound = (overflowError, 0)
| otherwise = case x# `quotRemInt#` y# of
(# q, r #) ->
(I32# (narrow32Int# q),
I32# (narrow32Int# r))
So it looks like it was improved in GHC 7.6. In particular, by this
commit:
http://www.haskell.org/pipermail/cvs-libraries/2012-February/014880.html
Shacha
Well, I’m glad to know that it has been fixed in the newer GHC (I’m still
on 7.4). Thanks!
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