Git HEAD on PowerPC : Error: operand out of range

Building current git HEAD on PowerPC results in

"inplace/bin/ghc-stage1"   -H64m -O0 -fasm    -package-name time-1.4 -hide-all-packages -i -ilibraries/time/. -ilibraries/time/dist-install/build -ilibraries/time/dist-install/build/autogen -Ilibraries/time/dist-install/build -Ilibraries/time/dist-install/build/autogen -Ilibraries/time/include   -optP-DLANGUAGE_Rank2Types -optP-DLANGUAGE_DeriveDataTypeable -optP-DLANGUAGE_StandaloneDeriving -optP-include -optPlibraries/time/dist-install/build/autogen/cabal_macros.h -package base-4.5.0.0 -package deepseq-1.2.0.1 -package old-locale-1.0.0.4  -Wall -XHaskell98 -XRank2Types -XDeriveDataTypeable -XStandaloneDeriving -XForeignFunctionInterface -XCPP -O0 -dcore-lint  -no-user-package-conf -rtsopts     -odir libraries/time/dist-install/build -hidir libraries/time/dist-install/build -stubdir libraries/time/dist-install/build -hisuf hi -osuf  o -hcsuf hc -c libraries/time/./Data/Time/Clock/Scale.hs -o libraries/time/dist-install/build/Data/Time/Clock/Scale.o
/tmp/ghc30271_0/ghc30271_0.s: Assembler messages:

/tmp/ghc30271_0/ghc30271_0.s:14861:0:
     Error: operand out of range (32 is not between 0 and 31)

/tmp/ghc30271_0/ghc30271_0.s:14861:0:
     Error: operand out of range (32 is not between 0 and 31)

/tmp/ghc30271_0/ghc30271_0.s:16199:0:
     Error: operand out of range (32 is not between 0 and 31)

/tmp/ghc30271_0/ghc30271_0.s:16199:0:
     Error: operand out of range (32 is not between 0 and 31)

/tmp/ghc30271_0/ghc30271_0.s:17692:0:
     Error: operand out of range (32 is not between 0 and 31)

This was working back in the first half of January.

Trac metadata

Trac field	Value
Version	7.5
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture