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bad warning for parallel list comprehension

this piece of code:

module ParComp where

t :: [(Char,Char)]
t = [ (a,b) | a <- "foo" | b <- "bar" ]

will generate this warning:
ParComp.hs:4: Warning: Defined but not used: b

ParComp.hs:4: Warning: Defined but not used: a

This is on Linux ghc version 6.0

Brett Letner
bletner@galois.com
Trac metadata
Trac field Value
Version 6.0
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution ResolvedFixed
Component Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture
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