[GHC] #7212: GHCi segmentation fault

[GHC]

#7212: GHCi segmentation fault
--------------------------+-------------------------------------------------
 Reporter:  zenzike       |          Owner:                
     Type:  bug           |         Status:  new           
 Priority:  normal        |      Component:  GHCi          
  Version:  7.4.1         |       Keywords:                
       Os:  MacOS X       |   Architecture:  x86_64 (amd64)
  Failure:  None/Unknown  |       Testcase:                
Blockedby:                |       Blocking:                
  Related:                |  
--------------------------+-------------------------------------------------
 Using OS X 10.6.8 on a 2.5 GHz Intel Core i5 machine. XCode 4.0.2
 installed. Haskell Platform 2012.2.0.0 installed. GHCi non-
 deterministically produces a segmentation fault on the command line when
 launched.

 {{{
 479-mac-ta:~ nwu$ ghci -v
 GHCi, version 7.4.1: http://www.haskell.org/ghc/  :? for help
 Glasgow Haskell Compiler, Version 7.4.1, stage 2 booted by GHC version
 7.0.4
 Using binary package database:
 /Library/Frameworks/GHC.framework/Versions/7.4.1-x86_64/usr/lib/ghc-7.4.1/package.conf.d/package.cache
 wired-in package ghc-prim mapped to ghc-
 prim-0.2.0.0-c2ff696e5b8ec4d4b2bc2e42085fe471
 wired-in package integer-gmp mapped to integer-
 gmp-0.4.0.0-3cccac07aef8e27023f605c1f45bdf74
 wired-in package base mapped to
 base-4.5.0.0-7aff24101508c8e98d083dc12ec4756b
 wired-in package rts mapped to builtin_rts
 wired-in package template-haskell mapped to template-
 haskell-2.7.0.0-c77fdef202828dcc7ffefd2eb5f20430
 wired-in package dph-seq not found.
 wired-in package dph-par not found.
 Hsc static flags: -static
 Loading package ghc-prim ... linking ... done.
 Loading package integer-gmp ... linking ... done.
 *** gcc:
 '/usr/bin/gcc' '-m64' '-fno-stack-protector' '-m64'
 '-L/Library/Frameworks/GHC.framework/Versions/7.4.1-x86_64/usr/lib/ghc-7.4.1/base-4.5.0.0'
 '--print-file-name' 'libiconv.dylib'
 Loading package base ... linking ... done.
 Segmentation fault
 }}}

 Sometimes launching ghci works without problems, sometimes it simply
 segfaults as above.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7212>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler