#5906: The 'Impossible' Happened, thread blocked indefinitely in an MVar
operation
------------------------+---------------------------------------------------
Reporter: Falias | Owner:
Type: bug | Status: new
Priority: normal | Component: GHCi
Version: 7.0.4 | Keywords:
Os: Windows | Architecture: x86_64 (amd64)
Failure: GHCi crash | Testcase:
Blockedby: | Blocking:
Related: |
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Unable to reproduce but...
Windows 7 64bit
GHCi 7.0.4
gcc 4.6.1
While experimenting with displaying infinite lists (working in prompt),
holding arrow key to alter a previously entered statement, received the
message
ghc.exe: panic! (the 'impossible' happened)
(GHC version 7.0.4 for i386-unknown-mingw32):
thread blocked indefinitely in an MVar operation
(Great error message btw)
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5906>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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