[GHC] #8736: GHCi doesn't load .dyn_o files appropriately

[GHC]

#8736: GHCi doesn't load .dyn_o files appropriately
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        Reporter:  thoughtpolice     |            Owner:  thoughtpolice
            Type:  bug               |           Status:  new
        Priority:  high              |        Milestone:  7.8.3
       Component:  Compiler          |          Version:  7.8.1-rc2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by George):

 Replying to [comment:4 simonpj]:
 > Summarising the behaviour.  If you say `:load Foo` in GHCi
 >  * `Foo` was compiled with `-dynamic`: loads `Foo.o`
 >  * `Foo` was compiled without any dynamic flag: does not find object
 files, so interprets.
 >  * `Foo` was compiled with `-dynamic-too`: fails as above.
 >
 > Not a release blocker.
 >

 The first case

 >  * `Foo` was compiled with `-dynamic`: loads `Foo.o`

 does not seem to be the case in 7.8.2, at least on the Mac where the .o
 file does not get loaded

 {{{
  ghc --make -O2 -DYNAMIC pfp1.hs
 [1 of 1] Compiling Main             ( pfp1.hs, pfp1.o )
 Linking pfp1 ...
 bash-3.2$ ghci -ignore-dot-ghci
 GHCi, version 7.8.2: http://www.haskell.org/ghc/  :? for help
 Loading package ghc-prim ... linking ... done.
 Loading package integer-gmp ... linking ... done.
 Loading package base ... linking ... done.
 Prelude> :load pfp1
 [1 of 1] Compiling Main             ( pfp1.hs, interpreted )
 Ok, modules loaded: Main.
 }}}

 Should I file a bug?

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8736#comment:9>
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