-C causes panic "the impossible happened"

1. Intent

To find out where a segfault arises, maybe by adding debbuging symbols.

1. Method

Compile the program with the flag -C, which should stop the compiler/linker program after the "Generate C" Phase.

1. Expected result

Compiler generates a file .hc which contains C code

1. Actual result

$ ghc-7.4.1.20120416 -C edentest.hs

addFlag by -C on the commandline:

Warning: The -fvia-C flag does nothing; it will be removed in a future GHC release

ghc: panic! (the 'impossible' happened)

(GHC version 7.4.1.20120416 for i386-unknown-linux):

pipeLoop: at phase As but I wanted to stop at phase HCc

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

$

1. Further Information

The Compiler used is a patched ("Eden") 7.4.1.20120416. It fails this way with any compilable file I could try.

Trac metadata

Trac field	Value
Version	7.4.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture