#8089: Implementation of GHC.Event.Poll.poll is broken due to bad coercion -------------------------------------+------------------------------------- Reporter: merijn | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: 7.10.1 Component: libraries/base | Version: 7.6.3 Resolution: fixed | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Runtime crash | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D407 Wiki Page: | -------------------------------------+------------------------------------- Comment (by alpmestan): For the record, the test in question is: {{{#!hs -- can be found in libraries/base/tests/T8089.hs import Control.Concurrent main :: IO () main = threadDelay maxBound }}} Building it (I copied the CLI arguments from the threaded1 run): {{{ $ inplace/bin/ghc-stage2 -o T8089 libraries/base/tests/T8089.hs -dcore- lint -dcmm-lint -no-user-package-db -rtsopts -fno-warn-missed- specialisations -fshow-warning-groups -fdiagnostics-color=never -fno- diagnostics-show-caret -dno-debug-output -threaded -debug [1 of 1] Compiling Main ( libraries/base/tests/T8089.hs, libraries/base/tests/T8089.o ) Linking T8089 ... }}} Running it: {{{ $ ./T8089 $ echo $? 0 }}} (the expected return code is 99, we get 0) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8089#comment:18 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler