[GHC] #7684: cgrun071 segfaults

[GHC]

#7684: cgrun071 segfaults
--------------------------+-------------------------------------------------
Reporter:  tibbe          |          Owner:  tibbe         
    Type:  bug            |         Status:  new           
Priority:  normal         |      Component:  Compiler      
 Version:  7.7            |       Keywords:                
      Os:  MacOS X        |   Architecture:  x86_64 (amd64)
 Failure:  Runtime crash  |      Blockedby:                
Blocking:                 |        Related:                
--------------------------+-------------------------------------------------
 I ran into this working on something unrelated today:

 {{{
 =====> cgrun071(normal) 171 of 3449 [0, 0, 12]
 cd ./codeGen/should_run && '/Users/tibbe/src/ghc/inplace/bin/ghc-stage2'
 -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-
 db -rtsopts -fno-ghci-history -o cgrun071 cgrun071.hs
 >cgrun071.comp.stderr 2>&1
 cd ./codeGen/should_run && ./cgrun071    </dev/null >cgrun071.run.stdout
 2>cgrun071.run.stderr
 /bin/sh: line 1: 37450 Segmentation fault: 11  ./cgrun071 < /dev/null >
 cgrun071.run.stdout 2> cgrun071.run.stderr
 Wrong exit code (expected 0 , actual 139 )
 Stdout:

 Stderr:

 *** unexpected failure for cgrun071(normal)
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7684>
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