patch applied (ghc): Fix parallel GC bug (crash in concprog001(threaded2))

Tue Sep 9 03:34:24 EDT 2008

Mon Sep  8 07:56:52 PDT 2008  Simon Marlow <marlowsd at gmail.com>
  * Fix parallel GC bug (crash in concprog001(threaded2))
  Two threads were trying to move the same TSO.  I like this test, it
  has caught plenty of bugs in the past.

    M ./rts/sm/Evac.c -9 +15

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20080908145652-12142-73928c32e55d819f935ea4984c99d3d523987e87.gz