patch applied (bytestring): Fix elemIndices and split

[Duncan Coutts]

Sat Sep 12 13:39:50 PDT 2009  Duncan Coutts <duncan at haskell.org>
  * Fix elemIndices and split
  Ignore-this: 69ae945462b5638c99cc1824ed329e90
  They were using inlinePerformIO to lazily delay IO actions within the
  scope of a withForeignPtr. Thus the ptr was still in use after the
  ForeignPtr went out of scope. This lead to dangling pointers, incorrect
  results and segfaults. Nasty. See ghc tickets #3486 and #3487.
  Audited the rest of the code base for the same anit-pattern.
  Thanks to nwn and people on the haskell-jp mailing list for reporting
  the bug with nice test cases and also to Ian, Bertram and Don for
  diagnosing the source of the problem.

    M ./Data/ByteString.hs -13 +14

View patch online:
http://darcs.haskell.org/bytestring/_darcs/patches/20090912203950-adfee-11f6e1b7cf669beb33b01cdde1dce775570fd4a6.gz