[GHC] #15894: Cannot find symbol during interactive linking using new-repl on Windows

[GHC]

#15894: Cannot find symbol during interactive linking using new-repl on Windows
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           Reporter:  YellPika        |             Owner:  (none)
               Type:  bug             |            Status:  new
           Priority:  normal          |         Milestone:  8.6.3
          Component:  Compiler        |           Version:  8.6.2
           Keywords:                  |  Operating System:  Windows
       Architecture:  x86_64 (amd64)  |   Type of failure:  Other
          Test Case:                  |        Blocked By:
           Blocking:                  |   Related Tickets:
Differential Rev(s):                  |         Wiki Page:
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 Originally from https://github.com/haskell/cabal/issues/5683.

 I get the following error on Windows 10:
 {{{
 > cabal new-repl --build-depends=ieee754

 ... GHCi loads ...

 Prelude> import Numeric.IEEE
 Prelude Numeric.IEEE> infinity
 ghc.exe:  |
 C:\Users\Anthony\AppData\Roaming\cabal\store\ghc-8.6.2\ieee754-0.8.0-7eecc33cf22b0ebf4d3c4dda98cc9f039432a266\lib\libHSieee754-0.8.0-7eecc33cf22b0ebf4d3c4dda98cc9f039432a266.a:
 unknown symbol `copysign'
 ghc.exe: ^^ Could not load
 'ieee754zm0zi8zi0zm7eecc33cf22b0ebf4d3c4dda98cc9f039432a266_NumericziIEEE_infinity_closure',
 dependency unresolved. See top entry above.


 ByteCodeLink.lookupCE
 During interactive linking, GHCi couldn't find the following symbol:
 ieee754zm0zi8zi0zm7eecc33cf22b0ebf4d3c4dda98cc9f039432a266_NumericziIEEE_infinity_closure
 This may be due to you not asking GHCi to load extra object files,
 archives or DLLs needed by your current session.  Restart GHCi, specifying
 the missing library using the -L/path/to/object/dir and -lmissinglibname
 flags, or simply by naming the relevant files on the GHCi command line.
 Alternatively, this link failure might indicate a bug in GHCi.
 If you suspect the latter, please send a bug report to:
   glasgow-haskell-bugs at haskell.org
 }}}

 This occurs with both cabal-install 2.4.0.0 and HEAD. This does not occur
 if I install ieee754 into a sandbox and use `cabal repl`. It also works
 correctly on Ubuntu 18.04 (on both WSL and a full installation), so it
 looks like a Windows-specific problem.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15894>
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