#2684: Stack overflow in stream-fusion library with GHC 6.10 RC
---------------------------------+------------------------------------------
Reporter: dons | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.9 | Severity: major
Keywords: | Testcase:
Architecture: Unknown/Multiple | Os: Unknown/Multiple
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Regression from GHC 6.8.x to GHC 6.10 release candidate,
{{{
$ runhaskell Setup.lhs configure
Configuring stream-fusion-0.1.1...
$ runhaskell Setup.lhs build
Preprocessing library stream-fusion-0.1.1...
Building stream-fusion-0.1.1...
...
Data/Stream.hs:575:4:
Warning: Pattern match(es) are non-exhaustive
In the definition of `next':
Patterns not matched: (_ :!: (Just (L _))) :!: S2
[2 of 3] Compiling Data.List.Stream ( Data/List/Stream.hs,
dist/build/Data/List/Stream.o )
stack overflow: use +RTS -K<size> to increase it
}}}
The stack overflow was not present with GHC 6.8.x
You can get the code here: http://hackage.haskell.org/cgi-bin/hackage-
scripts/package/stream-fusion
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2684>
GHC <http://www.haskell.org/ghc/>
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