#7428: Occurrence analyzer out of memory
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Reporter: nudded | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.4.2
Keywords: | Os: MacOS X
Architecture: x86_64 (amd64) | Failure: Compile-time crash
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Changes (by simonpj):
* difficulty: => Unknown
Comment:
Thank you. We know there's a performance bug in the occurrence analyser
(see #7258), but it's very helpful to have a small case that tickles it.
Two questions
* How do you know it's the occurrence analyser at fault?
* Can you be specific about the changes you made to the test program that
showed you the memory behaviour was exponential (ugh).
Thanks
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7428#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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