#13396: thread blocked when running `deepseq` with infinite list -------------------------------------+------------------------------------- Reporter: Forec | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.2 Keywords: thread | Operating System: Unknown/Multiple blocked | Architecture: x86_64 | Type of failure: GHCi crash (amd64) | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- {{{#!hs ghci> :m +Control.Deepseq ghci> let x = [1..] ghci> x `deepseq` () Ctrl^C Interrupted. ghci> ghc.exe: panic! (the 'impossible' happened) (GHC version 8.0.2 for x86_64-unknown-mingw32): thread blocked indefinitely in an MVar operation Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13396 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler