If you know which commit is the cause of the problem you can try to:

git revert <commit SHA>

on your own machine and see if this fixes the problem for you.


On Tue, Jun 11, 2013 at 1:09 PM, Simon Peyton-Jones <simonpj@microsoft.com> wrote:

Ian

This getRegister bug is killing my Windows builds too; indeed every 32-bit build is broken, and that is stalling a lot of people, now including me.

Could you perhaps revert the patch (around 6 June) that caused this, until it’s sorted out?  

Thanks

Simon

 

"inplace/bin/ghc-stage1.exe" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O -Werror -Wall -H64m -O0    -package-name ghc-prim-0.3.1.0 -hide-all-packages -i -ilibraries/ghc-prim/. -ilibraries/ghc-prim/dist-install/build -ilibraries/ghc-prim/dist-install/build/autogen -Ilibraries/ghc-prim/dist-install/build -Ilibraries/ghc-prim/dist-install/build/autogen -Ilibraries/ghc-prim/.    -optP-include -optPlibraries/ghc-prim/dist-install/build/autogen/cabal_macros.h -package rts-1.0 -package-name ghc-prim -XHaskell98 -XCPP -XMagicHash -XForeignFunctionInterface -XUnliftedFFITypes -XUnboxedTuples -XEmptyDataDecls -XNoImplicitPrelude -O2 -O -dcore-lint -fno-warn-deprecated-flags  -no-user-package-db -rtsopts      -odir libraries/ghc-prim/dist-install/build -hidir libraries/ghc-prim/dist-install/build -stubdir libraries/ghc-prim/dist-install/build  -dynamic-too -c libraries/ghc-prim/dist-install/build/GHC/PrimopWrappers.hs -o libraries/ghc-prim/dist-install/build/GHC/PrimopWrappers.o -dyno libraries/ghc-prim/dist-install/build/GHC/PrimopWrappers.dyn_o

ghc-stage1.exe: panic! (the 'impossible' happened)

  (GHC version 7.7.20130611 for i386-unknown-mingw32):

              getRegister(x86) I64[Sp]

 

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

 

bash-3.1$


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