Opened 9 years ago

Closed 8 years ago

#5299 closed bug (worksforme)

ghc.exe: panic! (the 'impossible' happened)

Reported by: guest Owned by:
Priority: normal Milestone: 7.2.1
Component: Compiler Version: 7.0.3
Keywords: Cc:
Operating System: Unknown/Multiple Architecture: Unknown/Multiple
Type of failure: None/Unknown Test Case:
Blocked By: Blocking:
Related Tickets: Differential Rev(s):
Wiki Page:


  1. open ghci
  2. type in: [2,4..]
  3. obviously this is an infinite list, so press ctrl+C to stop it
  4. type in: take 20 [2,4..]
  5. ghci panics

Full output attached.

Attachments (1)

ghci.txt (7.2 KB) - added by guest 9 years ago.
ghci output

Download all attachments as: .zip

Change History (5)

Changed 9 years ago by guest

Attachment: ghci.txt added

ghci output

comment:1 Changed 9 years ago by simonmar

Thanks for the report. What Windows version are you using? 32 or 64 bit? Did you start GHCi from a standard cmd.exe shell?

comment:2 Changed 9 years ago by simonmar

I haven't been able to repeat this.

comment:3 Changed 9 years ago by igloo

Milestone: 7.2.1
Status: newinfoneeded

comment:4 Changed 8 years ago by igloo

Resolution: worksforme
Status: infoneededclosed

No response from submitter.

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