id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,os,architecture,failure,difficulty,testcase,blockedby,blocking,related
5844,Panic on generating Core code,JamesFisher,,"STEPS TO REPRODUCE

1. Create the file ""Panic.hs"" with the contents:

{{{
module Main where
main = print 1
}}}

2. Compile with ""ghc -fext-core Panic.hs""


EXPECTED BEHAVIOR

Generation of the Core file ""Panic.hcr"".


ACTUAL BEHAVIOR

{{{
$ ghc -fext-core Panic.hs
[1 of 1] Compiling Main             ( Panic.hs, Panic.o )
ghc: panic! (the 'impossible' happened)
  (GHC version 7.4.1 for x86_64-unknown-linux):
	MkExternalCore died: make_lit

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

$
}}}

As it states, I am using GHC version 7.4.1 for x86_64 Linux, on an x86-64 Linux box running Ubuntu 11.10 an Linux kernel 3.0.0-14-generic.",bug,new,normal,7.6.2,External Core,7.4.1,,,jameshfisher@… eventh@…,Unknown/Multiple,Unknown/Multiple,Compile-time crash,Unknown,,,,