#3822: guards in arrow notation (Arrows extension) case statement cause compiler
panic
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Reporter: StephenBlackheath | Owner: ross
Type: bug | Status: new
Priority: high | Milestone: 6.12.3
Component: Compiler | Version: 6.12.1
Keywords: arrows guards case panic | Difficulty:
Os: Unknown/Multiple | Testcase: patternGuard.hs
Architecture: Unknown/Multiple | Failure: Compile-time crash
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Comment(by simonmar):
Ross: sorry for the delay in getting back to you. Which bit of code is
responsible for recognising variables as being used? Is it arrows-
specific, or somewhere else? Can you help us fix it? (Cheers, Simon &
Simon)
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3822#comment:10>
GHC <http://www.haskell.org/ghc/>
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