[GHC] #9148: tryReadMVar locks up the process with +RTS -N2 or greater

[GHC]

#9148: tryReadMVar locks up the process with +RTS -N2 or greater
-------------------------------------+------------------------------------
        Reporter:  simonmar          |            Owner:  simonmar
            Type:  bug               |           Status:  new
        Priority:  highest           |        Milestone:  7.8.3
       Component:  Runtime System    |          Version:  7.8.2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Runtime crash     |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
-------------------------------------+------------------------------------

Comment (by ezyang):

 Eep, sorry about that! That's what I get for cargo-culting the test-case
 definitions and forgetting to have them run multithreaded as well. Are you
 going to push updates to the test suite as well?

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9148#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler