[GHC] #7652: Testing freezes on FreeBSD 9.1.

[GHC]

#7652: Testing freezes on FreeBSD 9.1.
--------------------------+-------------------------------------------------
Reporter:  kazu-yamamoto  |          Owner:                  
    Type:  bug            |         Status:  new             
Priority:  normal         |      Component:  Compiler        
 Version:  7.7            |       Keywords:                  
      Os:  FreeBSD        |   Architecture:  Unknown/Multiple
 Failure:  None/Unknown   |      Blockedby:                  
Blocking:                 |        Related:                  
--------------------------+-------------------------------------------------
 "gmake THREADS=10 fast" in the testsuite/tests directory does not finish.

 The following processes use CPU 100%:
 * 367_letnoesca
 * throwto001
 * Chan002
 * ghc-stage2 compiling conc070.hs

 The following process is waiting for something forever:
 * signals004

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7652>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler