Opened 3 months ago

#8687 new bug

Strange closure type 9983

Reported by: nh2 Owned by:
Priority: normal Milestone:
Component: Compiler Version: 7.6.3
Keywords: Cc:
Operating System: Windows Architecture: Unknown/Multiple
Type of failure: GHCi crash Difficulty: Unknown
Test Case: Blocked By:
Blocking: Related Tickets:

Description

*Main> :main C:\\Windows\\Media\\onestop.mid
<interactive>: internal error: evacuate: strange closure type 9983
    (GHC version 7.6.3 for i386_unknown_mingw32)
    Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.

This happened to me on ghci playmidi.hs from the examples/ folder of http://hackage.haskell.org/package/hmidi-0.2.1.0 (downloaded the tar and fixed the parsec import, removing the "parsec2" package import and fixing a type checking error, replacing selectOutputDevice Nothing by selectOutputDevice "Select midi output device" Nothing.

(We also fixed those compile errors at https://github.com/vahokif/hmidi/tree/2124a8.)

I have not been able to reproduce it since the first time :(

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