#3744: Comparisons against minBound/maxBound not optimised
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Reporter: rl | Owner:
Type: bug | Status: closed
Priority: normal | Milestone: 7.2.1
Component: Compiler | Version: 6.13
Resolution: fixed | Keywords:
Testcase: | Blockedby:
Difficulty: | Os: Unknown/Multiple
Blocking: | Architecture: Unknown/Multiple
Failure: Runtime performance bug |
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Comment(by simonpj):
The optimisation seems ok, but does this situation ever arise in practice?
Who asks `x < minBound`?
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3744#comment:10>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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