#2327: -O flag produces faulty code
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Reporter: orenbenkiki | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.9 | Severity: normal
Keywords: Optimizer -O | Testcase:
Architecture: Unknown | Os: Unknown
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The -O flag generates incorrect code in both 6.8.2 and 6.9.
I tested it myself on 6.8.2 - The -O flag causes the program to enter a
100% CPU endless loop
Heffalump also tested it on 6.9 - The -O flag causes it to segfault
Attached is a tgz file containing the code (and the input).
ghc --make -o obk Main.hs ; obk -> works
ghc --make -o obk -O Main.hs ; obk -> fails
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2327>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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