[GHC] #8603: GHC crashes on some code using StateT monad transformer

9 Dec 2013

      #8603: GHC crashes on some code using StateT monad transformer
-------------------------------------+-------------------------------------
       Reporter:  person1729         |             Owner:
           Type:  bug                |            Status:  new
       Priority:  normal             |         Milestone:
      Component:  Compiler (Type     |           Version:  7.6.3
  checker)                           |  Operating System:  MacOS X
       Keywords:                     |   Type of failure:  Compile-time
   Architecture:  x86_64 (amd64)     |  crash
     Difficulty:  Unknown            |         Test Case:  Attached
     Blocked By:                     |          Blocking:
Related Tickets:                     |
-------------------------------------+-------------------------------------
 GHC version 7.6.3 on Mac OS X 10.9 crashes with the following message when
 compiling the attached file:

 {{{
 ghc -c -v3 -dcore-lint  DiscreteRandomVariableST.hs
 }}}

 {{{
 Glasgow Haskell Compiler, Version 7.6.3, stage 2 booted by GHC version
 7.4.2
 Using binary package database:
 /Library/Frameworks/GHC.framework/Versions/7.6.3-x86_64/usr/lib/ghc-7.6.3/package.conf.d/package.cache
 Using binary package database:
 /Users/***/.ghc/x86_64-darwin-7.6.3/package.conf.d/package.cache
 hiding package binary-0.5.1.1 to avoid conflict with later version
 binary-0.7.1.0
 hiding package Cabal-1.16.0 to avoid conflict with later version
 Cabal-1.18.1.2
 wired-in package ghc-prim mapped to ghc-
 prim-0.3.0.0-d5221a8c8a269b66ab9a07bdc23317dd
 wired-in package integer-gmp mapped to integer-
 gmp-0.5.0.0-2f15426f5b53fe4c6490832f9b20d8d7
 wired-in package base mapped to
 base-4.6.0.1-6c351d70a24d3e96f315cba68f3acf57
 wired-in package rts mapped to builtin_rts
 wired-in package template-haskell mapped to template-
 haskell-2.8.0.0-c2c1b21dbbb37ace4b7dc26c966ec664
 wired-in package dph-seq not found.
 wired-in package dph-par not found.
 Hsc static flags: -static
 Created temporary directory:
 /var/folders/dg/lby0mtps13l9g0lry_dhsv1c0000gn/T/ghc13041_0
 *** C pre-processor:
 '/sw/bin/gcc-4' '-E' '-undef' '-traditional' '-m64' '-fno-stack-protector'
 '-m64' '-I'
 '/Library/Frameworks/GHC.framework/Versions/7.6.3-x86_64/usr/lib/ghc-7.6.3/base-4.6.0.1/include'
 '-I'
 '/Library/Frameworks/GHC.framework/Versions/7.6.3-x86_64/usr/lib/ghc-7.6.3/include'
 '-D__GLASGOW_HASKELL__=706' '-Ddarwin_BUILD_OS=1' '-Dx86_64_BUILD_ARCH=1'
 '-Ddarwin_HOST_OS=1' '-Dx86_64_HOST_ARCH=1' '-U __PIC__' '-D__PIC__' '-x'
 'c' 'DiscreteRandomVariableST.hs' '-o'
 '/var/folders/dg/lby0mtps13l9g0lry_dhsv1c0000gn/T/ghc13041_0/ghc13041_0.hscpp'
 *** Checking old interface for main:DiscreteRandomVariableST:
 *** Parser:
 *** Renamer/typechecker:

 DiscreteRandomVariableST.hs:186:17:
     Couldn't match kind `* -> *' with `*'
     Expected type: [t1] -> StateT s RV t0
       Actual type: [t1] -> StateT s RV t0
     Kind incompatibility when matching types:
       [t_t14] :: * -> *
       [t1] :: *
     The function `lift'*** Deleting temp files:
 Deleting:
 /var/folders/dg/lby0mtps13l9g0lry_dhsv1c0000gn/T/ghc13041_0/ghc13041_0.s
 /var/folders/dg/lby0mtps13l9g0lry_dhsv1c0000gn/T/ghc13041_0/ghc13041_0.hscpp
 Warning: deleting non-existent
 /var/folders/dg/lby0mtps13l9g0lry_dhsv1c0000gn/T/ghc13041_0/ghc13041_0.s
 *** Deleting temp dirs:
 Deleting: /var/folders/dg/lby0mtps13l9g0lry_dhsv1c0000gn/T/ghc13041_0
 ghc: panic! (the 'impossible' happened)
   (GHC version 7.6.3 for x86_64-apple-darwin):
         kindFunResult ghc-prim:GHC.Prim.*{(w) tc 34d}

 Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug}}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8603>
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