#15002: Panic: collectNBinders -------------------------------------+------------------------------------- Reporter: crockeea | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.4.2 Component: Compiler | Version: 8.4.2-rc1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Description changed by crockeea: Old description:
Steps to reproduce:
Download concurrent-extra-0.7.0.12 and add the following stack.yaml file: resolver: nightly-2018-04-04 system-ghc: true compiler-check: newer-minor
{{{
ghc --version The Glorious Glasgow Haskell Compilation System, version 8.4.1.20180329
stack build --library-profiling concurrent-extra-0.7.0.12: build (lib) Preprocessing library for concurrent-extra-0.7.0.12.. Building library for concurrent-extra-0.7.0.12.. [7 of 8] Compiling Control.Concurrent.Broadcast ( Control/Concurrent/Broadcast.hs, .stack- work/dist/x86_64-linux/Cabal-2.2.0.1/build/Control/Concurrent/Broadcast.p_o ) ghc: panic! (the 'impossible' happened) (GHC version 8.4.1.20180329 for x86_64-unknown-linux): collectNBinders 1 Call stack: CallStack (from HasCallStack): callStackDoc, called at compiler/utils/Outputable.hs:1150:37 in ghc:Outputable pprPanic, called at compiler/coreSyn/CoreSyn.hs:2189:39 in ghc:CoreSyn
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
-- While building custom Setup.hs for package concurrent-extra-0.7.0.12 using: /home/local/ANT/ericcro/.stack/setup-exe-cache/x86_64-linux/Cabal- simple_mPHDZzAJ_2.2.0.1_ghc-8.4.1.20180329 --builddir=.stack- work/dist/x86_64-linux/Cabal-2.2.0.1 build lib:concurrent-extra --ghc- options " -ddump-hi -ddump-to-file -fdiagnostics-color=always" Process exited with code: ExitFailure 1 }}}
New description: Steps to reproduce: Download concurrent-extra-0.7.0.12 and add the following stack.yaml file: {{{ resolver: nightly-2018-04-04 system-ghc: true compiler-check: newer-minor }}} Then run: {{{
ghc --version The Glorious Glasgow Haskell Compilation System, version 8.4.1.20180329
stack build --library-profiling concurrent-extra-0.7.0.12: build (lib) Preprocessing library for concurrent-extra-0.7.0.12.. Building library for concurrent-extra-0.7.0.12.. [7 of 8] Compiling Control.Concurrent.Broadcast ( Control/Concurrent/Broadcast.hs, .stack- work/dist/x86_64-linux/Cabal-2.2.0.1/build/Control/Concurrent/Broadcast.p_o ) ghc: panic! (the 'impossible' happened) (GHC version 8.4.1.20180329 for x86_64-unknown-linux): collectNBinders 1 Call stack: CallStack (from HasCallStack): callStackDoc, called at compiler/utils/Outputable.hs:1150:37 in ghc:Outputable pprPanic, called at compiler/coreSyn/CoreSyn.hs:2189:39 in ghc:CoreSyn
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug -- While building custom Setup.hs for package concurrent-extra-0.7.0.12 using: /home/local/ANT/ericcro/.stack/setup-exe-cache/x86_64-linux/Cabal- simple_mPHDZzAJ_2.2.0.1_ghc-8.4.1.20180329 --builddir=.stack- work/dist/x86_64-linux/Cabal-2.2.0.1 build lib:concurrent-extra --ghc- options " -ddump-hi -ddump-to-file -fdiagnostics-color=always" Process exited with code: ExitFailure 1 }}} -- -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15002#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler