[GHC] #8123: GHCi warns about -eventlog even though it's sometimes necessary

GHC ghc-devs at haskell.org
Wed Mar 18 10:32:06 UTC 2015


#8123: GHCi warns about -eventlog even though it's sometimes necessary
-------------------------------------+-------------------------------------
        Reporter:  akio              |                   Owner:
            Type:  bug               |                  Status:  infoneeded
        Priority:  normal            |               Milestone:
       Component:  GHCi              |                 Version:  7.6.3
      Resolution:                    |                Keywords:
Operating System:  Linux             |            Architecture:  x86_64
 Type of failure:  Incorrect         |  (amd64)
  warning at compile-time            |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by thomie):

 * cc: hvr (added)
 * status:  new => infoneeded


Comment:

 @akio I can't reproduce your bug.

 Could you please supply some example code where running `ghci` with
 `-eventlog` ''does'' make a difference.

 Here's what I've tried:
 {{{
 $ cat Test.hs
 main = return ()

 $ ghc-7.6.3 -fforce-recomp -eventlog -c Test.hs

 $ ghc-7.6.3 --interactive Test.o
 GHCi, version 7.6.3: http://www.haskell.org/ghc/  :? for help
 Loading package ghc-prim ... linking ... done.
 Loading package integer-gmp ... linking ... done.
 Loading package base ... linking ... done.
 Loading object (static) Test.o ... done
 final link ... done
 Leaving GHCi.
 }}}

 Seems to work fine.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8123#comment:1>
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