simplifier causes stack overflow in ghc-6.8.0.20070916

In order to reproduce the bug, you'll have to checkout uni:

svn co https://svn-agbkb.informatik.uni-bremen.de/uni/trunk uni

install the package HaXml-1.13.2 (to be found as uni/HaXml/HaXml.tgz) The packages pretty and containers have be added to HaXml.cabal.

Within uni call:

./configure
make packages

Compilation fails with:

FileDialog.hs:742:0:
    Warning: Definition but no type signature for `deleteFileImg'
             Inferred type: deleteFileImg :: IO Image
*** Desugar:
    Result size = 5899
*** Simplify:
    Result size = 4328
    Result size = 4254
    Result size = 4254
    Result size = 4254
    Result size = 4254
*** Specialise:
    Result size = 4254
*** Float out (not lambdas, not constants):
    Result size = 4906
*** Float inwards:
    Result size = 4906
*** Simplify:
*** Deleting temp files:
Warning: deleting non-existent /tmp/ghc23343_0/ghc23343_0.s
*** Deleting temp dirs:
stack overflow: use +RTS -K<size> to increase it

If I increase with +RTS -K100m compilation exhausts the heap after 18 minutes:

*** Simplify:
Heap exhausted;
Current maximum heap size is 999997440 bytes (953 Mb);
use `+RTS -M<size>' to increase it.

Trac metadata

Trac field	Value
Version	6.8
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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