Window build broken

Simon Peyton Jones simonpj at
Tue Nov 17 22:31:27 UTC 2015

Sigh.  My Windows build is broken.  See below.  Any ideas?  The stage2 complier in non-interactive mode works ok. It’s just ghci fails.  What does “Not x86_64 PEi386” mean?  What can I do to fix?
I should say that my laptop broke so this is a new Windows machine, presumably with a slightly different config…

./inplace/bin/ghc-stage2 --interactive

GHCi, version 7.11.20151117:  :? for help

ghc-stage2.exe: panic! (the 'impossible' happened)

  (GHC version 7.11.20151117 for x86_64-unknown-mingw32):

     loadObj "C:\\code\\HEAD-1\\libraries\\ghc-prim\\dist-install\\build\\HSghc-prim-": failed

Please report this as a GHC bug:

ghc-stage2.exe: C:\code\HEAD-1\libraries\ghc-prim\dist-install\build\HSghc-prim- Not x86_64 PEi386

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