#1658: CSE changes semantics
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Reporter: guest | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.7
Severity: normal | Keywords:
Difficulty: Unknown | Os: Multiple
Testcase: | Architecture: Multiple
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Create file:
main = print $ 1/0 - 1/0
Compile with -O0, it outputs: NaN
Compile with -O1, it outputs: 0.0
Compile with -O1 -fno-cse, it outputs: NaN
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1658>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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