#1124: Panic! The impossible happened: initC srt
-------------------------+--------------------------------------------------
Reporter: guest | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.7
Severity: blocker | Keywords:
Difficulty: Unknown | Testcase:
Architecture: x86 | Os: Linux
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Hallo,
while compiling this abbreviated program:
{{{
{-# OPTIONS_GHC -farrows -fno-monomorphism-restriction -fglasgow-exts #-}
module Main where
import Control.Arrow
data Pair a b = a :# b
main = undefined
counter =
proc x ->
do t :# _ <- undefined -< x
rec (cnt:: Int) <- undefined -< undefined
undefined -< show cnt
returnA -< undefined
}}}
the following error occurs:
{{{
> ghc --make play.hs
[1 of 1] Compiling Main ( play.hs, play.o )
ghc-6.7: panic! (the 'impossible' happened)
(GHC version 6.7 for i386-unknown-linux):
initC: srt
}}}
Version infos:
{{{
> gcc -v
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v --enable-
languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr --enable-
shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --enable-nls --program-suffix=-4.1 --enable-
__cxa_atexit --enable-clocale=gnu --enable-libstdcxx-debug --enable-mpfr
--enable-checking=release i486-linux-gnu
Thread model: posix
gcc version 4.1.2 20060928 (prerelease) (Ubuntu 4.1.1-13ubuntu5)
> ghc -V
The Glorious Glasgow Haskell Compilation System, version 6.7
}}}
GHC was build using the repositories from 10 January 2007.
This error seems to be very sensitive to details, I had a hard time
condensing the error to the program above. Using flags like -O, -fvia-C
didn't help.
You can reach me for questions and help via e-mail: [EMAIL PROTECTED]
Cheers,
Harald Holtmann
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1124>
GHC <http://www.haskell.org/ghc/>
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