#4927: pattern match failure if compiled with -threaded
-------------------------+--------------------------------------------------
Reporter: helgikrs | Owner:
Type: bug | Status: new
Priority: normal | Component: libraries/base
Version: 7.0.1 | Keywords:
Testcase: | Blockedby:
Os: Linux | Blocking:
Architecture: x86 | Failure: Runtime crash
-------------------------+--------------------------------------------------
Always reproducible with the following program, compiled with ghc -rtsopts
-threaded test.hs.
{{{
import Network (listenOn, PortID(PortNumber))
import Network.Socket (accept, sClose)
import Control.Monad (forever)
import Control.Concurrent (forkIO)
main = listenOn (PortNumber 3333) >>= \s ->
forever $ accept s >>= forkIO . sClose . fst
}}}
{{{
$ ./test +RTS -N2
user error (Pattern match failure in do expression at
libraries/base/System/Event/Thread.hs:63:3-10
}}}
base-4.3.0.0
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4927>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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