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  • Glasgow Haskell CompilerGlasgow Haskell Compiler
  • GHCGHC
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  • #9949
Closed
Open
Issue created Jan 02, 2015 by Lemming@trac-Lemming

zipWith too strict in second argument in GHC-7.10.0

correct:

$ ghci-7.8.4 -Wall
Prelude> zipWith (==) "" undefined
[]

incorrect:

$ ghci-7.10.0.20141227 -Wall
Prelude> zipWith (==) "" undefined
*** Exception: Prelude.undefined
Trac metadata
Trac field Value
Version 7.10.1-rc1
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Core Libraries
Test case
Differential revisions
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Blocking
CC core-libraries-committee@haskell.org
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