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  • #6060

Closed
Open
Opened Apr 30, 2012 by Levent Erkök@LeventErkokReporter

the 'impossible' happened

$ cat bug.hs 
foo = do let bad = [True | x <- [] | y <- []]
$ ghc bug.hs 
[1 of 1] Compiling Main             ( bug.hs, bug.o )

bug.hs:1:10:ghc: panic! (the 'impossible' happened)
  (GHC version 7.4.1 for x86_64-apple-darwin):
	Prelude.undefined
Trac metadata
Trac field Value
Version 7.4.1
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture
Assignee
Assign to
7.6.1
Milestone
7.6.1
Assign milestone
Time tracking
None
Due date
None
Reference: ghc/ghc#6060