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Opened by Csaba Hruska@trac-csabahruska

GHC Quickest flavour segfaults when it compiles input program

Summary

GHC 8.11.0 (9668781a) compiled with the Quickest flavour segfaults during compilation of optparse-applicative-0.15.1.0. It exits without any error message, just segfaults.

Steps to reproduce

I created a tiny sample project on github: https://github.com/csabahruska/ghc-bug-sample/tree/17fb252158ba6826307691cef0edfd43893fa8ab

  1. compile GHC with the Quickest flavour
  2. clone the ghc-bug-sample repository
  3. set the path in stack.yaml last line to the compiled GHC Quickest
  4. run ./compile.sh

Expected behavior

It should build the project including optparse-applicative. Instead it stops after the Options.Applicative.Help.Core module.

optparse-applicative> [ 7 of 16] Compiling Options.Applicative.Common
optparse-applicative> [ 8 of 16] Compiling Options.Applicative.Help.Core
                                  
--  While building package optparse-applicative-0.15.1.0 using:
      /home/csaba/haskell/ghc-gitlab/bug-test/ghc-bug-sample/.stack-root/setup-exe-cache/x86_64-linux/Cabal-simple_mPHDZzAJ_3.3.0.0_ghc-8.11.0.20200309 --verbose --builddir=.stack-work/dist/x86_64-linux/Cabal-3.3.0.0 build --ghc-options " -fdiagnostics-color=always"
    Process exited with code: ExitFailure (-11)
Progress 1/2

Environment

  • GHC version used: GHC 8.11.0 (9668781a)

Optional:

  • Operating System: Ubuntu 16.04
  • System Architecture: x64
Edited by Csaba Hruska