#3454: ghci freezes on failed pattern match in recursive list comprehension
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Reporter: Syzygies | Owner:
Type: bug | Status: closed
Priority: normal | Milestone:
Component: Compiler | Version: 6.10.4
Severity: normal | Resolution: invalid
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Changes (by igloo):
* status: new => closed
* difficulty: => Unknown
* resolution: => invalid
Comment:
The 7th element of cs is the tail of the first non-empty element after the
5th element of xs.
The 6th element is [], so that one can't be used.
So we need to look at whether or not the 7th element is [].
Thus this is a black hole.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3454#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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