[GHC] #15516: ghci: dynamic linking fails on osx

[GHC]

#15516: ghci: dynamic linking fails on osx
-------------------------------------+-------------------------------------
        Reporter:  kfiz              |                Owner:  (none)
            Type:  bug               |               Status:  infoneeded
        Priority:  normal            |            Milestone:  8.6.1
       Component:  GHCi              |              Version:  8.4.3
      Resolution:                    |             Keywords:
Operating System:  MacOS X           |         Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * status:  new => infoneeded


Old description:

> ghc: panic! (the 'impossible' happened)
>   (GHC version 8.4.3 for x86_64-apple-darwin):
>         Loading temp shared object failed:
> dlopen(/var/folders/vj/cm0c8jrs739_t411zdcx72240000gp/T/ghc24522_0/libghc_9.dylib,
> 5): Symbol not found: _DataziCsvUtils_rowBy_closure
>   Referenced from:
> /var/folders/vj/cm0c8jrs739_t411zdcx72240000gp/T/ghc24522_0/libghc_9.dylib
>   Expected in: flat namespace
>  in
> /var/folders/vj/cm0c8jrs739_t411zdcx72240000gp/T/ghc24522_0/libghc_9.dylib
>
> Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

New description:

 {{{
 ghc: panic! (the 'impossible' happened)
   (GHC version 8.4.3 for x86_64-apple-darwin):
         Loading temp shared object failed:
 dlopen(/var/folders/vj/cm0c8jrs739_t411zdcx72240000gp/T/ghc24522_0/libghc_9.dylib,
 5): Symbol not found: _DataziCsvUtils_rowBy_closure
   Referenced from:
 /var/folders/vj/cm0c8jrs739_t411zdcx72240000gp/T/ghc24522_0/libghc_9.dylib
   Expected in: flat namespace
  in
 /var/folders/vj/cm0c8jrs739_t411zdcx72240000gp/T/ghc24522_0/libghc_9.dylib

 Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
 }}}

--

Comment:

 How does one reproduce this?

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15516#comment:1>
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