Wed Nov 5 07:49:28 PST 2008 Simon Marlow <marlowsd at gmail.com>
* don't yield the Capability if blackholes_need_checking
M ./rts/Schedule.c -1 +2
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http://darcs.haskell.org/ghc/_darcs/patches/20081105154928-12142-2648d80e22835895a95a0a017434457414f8064e.gz