#4044: Compilation of my ghc tree with ghc-6.12.2 -dcore-lint fails.
-------------------------------+--------------------------------------------
    Reporter:  milan           |        Owner:                           
        Type:  bug             |       Status:  new                      
    Priority:  normal          |    Milestone:  6.14.1                   
   Component:  Compiler        |      Version:  6.12.2                   
    Keywords:                  |   Difficulty:                           
          Os:  Linux           |     Testcase:                           
Architecture:  x86_64 (amd64)  |      Failure:  GHC rejects valid program
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Changes (by BenMoseley):

 * cc: ben_mose...@… (added)


Comment:

 We're seeing what seems to be this bug too (GHC 6.12.1). (Were getting
 segfaults in the finished program which compiled fine without "-dcore-
 lint", the segfaults disappear with "-O0" and appear with "-O1" and
 "-O2").

 Building GenBarriers? ghc.exe -odir ../Build\obj -hidir ../Build\obj -Wall
 -fno-warn-missing-signatures -fno-warn-name-shadowing -fno-warn-type-
 defaults -fno-warn-unused-do-bind -package
 
conf=C:\ws\fpfdev\depot\QA\EDG\EDG_priv\FPF_Dev.br\ThirdParty?/haskell_packages\fpf.package.conf
 flags.c -O2 -Werror -i.. -XTemplateHaskell --make
 BackendBarriers/GenBarriers?.hs -main-is
 BackendBarriers?.GenBarriers?.main -o ..\Out\EXEs\5\GenBarriers?.exe ***
 Core Lint Errors: in result of Simplifier mode gentle, iteration 1 out of
 4 *** <no location info>:

 In the expression: ic_a700 @ $co$_a6ZE Kinds don't match in type
 application:

 Type variable: co_wild_B1

 a_a6I4 ~ Utils.RangeAnalysis?.FC.FCQty

 Arg type: $co$_a6ZE

 a_a7k7 ~ Utils.RangeAnalysis?.FC.FCQty *** Offending Program ***

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4044#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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