[GHC] #8242: Infinite loop with addCFinalizerToWeak

[GHC]

#8242: Infinite loop with addCFinalizerToWeak
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        Reporter:  akio                         |            Owner:
            Type:  bug                          |           Status:  patch
        Priority:  normal                       |        Milestone:
       Component:  Runtime System               |          Version:  7.6.3
      Resolution:                               |         Keywords:
Operating System:  Linux                        |     Architecture:  x86_64
 Type of failure:  Incorrect result at runtime  |  (amd64)
       Test Case:                               |       Difficulty:
        Blocking:                               |  Unknown
                                                |       Blocked By:
                                                |  Related Tickets:
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Comment (by Austin Seipp <aseipp@…>):

 In [changeset:41296315f7b1e0eccfa6c94c49f1cdd977f741fb/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="41296315f7b1e0eccfa6c94c49f1cdd977f741fb"
 Avoid allocating while holding a lock (#8242)

 This reverts commit 6770663f764db76dbb7138ccb3aea0527d194151.

 If the program enters the garbage collector with the closure
 lock held, it will confuse the garbage collector and will
 result in an infinite loop in evacuate().

 Signed-off-by: Austin Seipp <aseipp at pobox.com>
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8242#comment:8>
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