Opened 13 years ago

Closed 13 years ago

Last modified 44 years ago

#535 closed bug (Fixed)

ghc5 panic: tcStmtsAndThen: elt_ty

Reported by: nobody Owned by: nobody
Priority: normal Milestone:
Component: Compiler Version: 5.0
Keywords: Cc:
Operating System: Architecture:
Type of failure: Difficulty:
Test Case: Blocked By:
Blocking: Related Tickets:

Description

$ cat Bug.hs
module Bug where
x = [b | a <- [], a | b <- []]

$ ghc Bug.hs 
ghc-5.00: panic! (the `impossible' happened, GHC
version 5.00):
	tcStmtsAndThen: elt_ty

Please report it as a compiler bug to
glasgow-haskell-bugs@haskell.org,
or http://sourceforge.net/projects/ghc/.

Change History (1)

comment:1 Changed 13 years ago by simonpj

  • Status changed from assigned to closed
Logged In: YES 
user_id=50165

Parallel list comprehensions didn't work at all. Now 
working, with at least one test in typecheck/should_run
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