[GHC] #14406: Core Lint error when compiling ghc with -g3

[GHC]

#14406: Core Lint error when compiling ghc with -g3
-------------------------------------+-------------------------------------
           Reporter:  duog           |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.3
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  Building GHC
  Unknown/Multiple                   |  failed
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 Building ghc with the following build.mk:
 {{{
 BuildFlavour = validate

 ifneq "$(BuildFlavour)" ""
 include mk/flavours/$(BuildFlavour).mk
 endif

 GhcLibHcOpts += -g3
 GhcRtsHcOpts += -g3
 GhcStage2Opts += -g3
 }}}

 gives
 {{{
 *** Core Lint errors : in result of Simplifier ***
 <no location info>: warning:
     [RHS of str_sjjS :: Addr#]
     The type of this binder is unlifted: str_sjjS
     Binder's type: Addr#
 *** Offending Program ***
 ...
 str_sjjS :: Addr#
 [LclId,
  Unf=Unf{Src=<vanilla>, TopLvl=False, Value=True, ConLike=True,
          WorkFree=True, Expandable=True, Guidance=IF_ARGS [] 20 0}]
 str_sjjS = src<libraries/base/Data/Data.hs:1099:38-41> ":%"#
 ...
 libraries/base/ghc.mk:4: recipe for target 'libraries/base/dist-
 install/build/Data/Data.o' failed
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14406>
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