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  • Glasgow Haskell CompilerGlasgow Haskell Compiler
  • GHCGHC
  • Issues
  • #9567
Closed
Open
Issue created Sep 08, 2014 by Sergei Trofimovich@trofiReporter

tc124 fails as '*** Core Lint errors : in result of Simplifier ***' in WAY=optasm

ghc-HEAD:

$ make fulltest TEST="tc124" WAY=optasm

=====> tc124(optasm) 3136 of 4101 [0, 0, 0] 
cd ./typecheck/should_compile && '/home/slyfox/dev/git/ghc-validate/inplace/bin/ghc-stage2' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package-db -rtsopts -fno-ghci-history -c tc124.hs -O -fasm  -fno-warn-incomplete-patterns >tc124.comp.stderr 2>&1
Compile failed (status 256) errors were:
*** Core Lint errors : in result of Simplifier ***
<no location info>: Warning:
    In the type ‘a_12 -> a_aia -> a_aia’
    @ a_12 is out of scope
*** Offending Program ***
Foo.g :: Foo.T -> Foo.T
[LclIdX,
 Arity=1,
 Str=DmdType,
 Unf=Unf{Src=<vanilla>, TopLvl=True, Value=True, ConLike=True,
         WorkFree=True, Expandable=True, Guidance=IF_ARGS [20] 40 30}]
Foo.g =
  \ (t_ahr :: Foo.T) ->
    case t_ahr of _ [Occ=Dead] { Foo.T ds_dlB ds_dlC ->
    Foo.T
      ds_dlB
      (\ (@ a_ai4) (@ b_ai5) _ [Occ=Dead] (y_aht :: b_ai5) -> y_aht)
    }
...
Trac metadata
Trac field Value
Version 7.9
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler
Test case tc124
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CC simonpj
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