patch applied (ghc-6.12/ghc): need locking around use of weak_ptr_list in mkWeak#

[Ian Lynagh]

Mon Dec  7 06:52:13 PST 2009  Simon Marlow <marlowsd at gmail.com>
  * need locking around use of weak_ptr_list in mkWeak#
  Ignore-this: 9c7d506c30652de4dd5c47d1989022c1

    M ./rts/PrimOps.cmm +2

View patch online:
http://darcs.haskell.org/ghc-6.12/ghc/_darcs/patches/20091207145213-12142-a68515f561b8e38c08241a6cdbe5a0ff6d390f7b.gz