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.undefinedTrac metadata
| Trac field | Value |
|---|---|
| Version | 7.10.1-rc1 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Core Libraries |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | core-libraries-committee@haskell.org |
| Operating system | |
| Architecture |
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