[GHC] #13278: test 'debug' is timing out on OS X

[GHC]

#13278: test 'debug' is timing out on OS X
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        Reporter:  rwbarton      |                Owner:  rwbarton
            Type:  bug           |               Status:  new
        Priority:  high          |            Milestone:
       Component:  Compiler      |              Version:  8.1
      Resolution:                |             Keywords:
Operating System:  MacOS X       |         Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown  |            Test Case:
      Blocked By:                |             Blocking:
 Related Tickets:                |  Differential Rev(s):
       Wiki Page:                |
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Comment (by bgamari):

 It seems to be stuck in a loop between 0x100001110 and 0x100001124,
 {{{
 debug`ZCMain_main_info:
     0x100001110 <+0>:    leaq   -0x10(%rbp), %rax
     0x100001114 <+4>:    cmpq   %r15, %rax
     0x100001117 <+7>:    jb     0x100001126
     0x10000111d:         nop
     0x10000111e:         nop
     0x10000111f:         nop
     0x100001120:         nop
     0x100001121:         nop
     0x100001122:         nop
     0x100001123:         nop
 debug`n27q:
     0x100001124 <+0>:    jmpq   *(%rbx)
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13278#comment:2>
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