vectorise error building dph

validate fails to build (on x86 linux and x86_64 linux):

"inplace/bin/ghc-stage2"   -H32m -O -Wall -Werror -H64m -O0
    -package-name dph-seq-0.5 -hide-all-packages -i
 -ilibraries/dph/dph-seq/../dph-common
 -ilibraries/dph/dph-seq/dist-install/build
 -ilibraries/dph/dph-seq/dist-install/build/autogen
 -Ilibraries/dph/dph-seq/dist-install/build
 -Ilibraries/dph/dph-seq/dist-install/build/autogen
 -Ilibraries/dph/dph-seq/.    -optP-include
 -optPlibraries/dph/dph-seq/dist-install/build/autogen/cabal_macros.h
 -package array-0.3.0.3 -package base-4.4.0.0 -package dph-base-0.5
 -package dph-prim-seq-0.5 -package ghc-7.3.20110730
 -package ghc-prim-0.2.0.0 -package random-1.0.0.4
 -package template-haskell-2.6.0.0  -Odph -funbox-strict-fields
 -fcpr-off -fdph-this -package-name dph-seq -XHaskell98
 -XTypeFamilies -XGADTs -XRankNTypes -XBangPatterns -XMagicHash
 -XUnboxedTuples -XTypeOperators -O2 -O -dcore-lint
 -fno-warn-deprecated-flags -no-user-package-conf -rtsopts
 -Wwarn    -odir libraries/dph/dph-seq/dist-install/build
 -hidir libraries/dph/dph-seq/dist-install/build
 -stubdir libraries/dph/dph-seq/dist-install/build
 -hisuf hi -osuf  o -hcsuf hc -c
 libraries/dph/dph-seq/../dph-common/Data/Array/Parallel.hs
 -o libraries/dph/dph-seq/dist-install/build/Data/Array/Parallel.o
*** Vectorisation error ***
    Type mismatch in vectorisation pragma for Data.Array.Parallel.unzipP
        Expected type forall a_a1SF b_a1SG.
                      (Data.Array.Parallel.PArray.PRepr.PA a_a1SF,
                       Data.Array.Parallel.PArray.PRepr.PA b_a1SG) =>
                      Data.Array.Parallel.PArray.Base.PArray (a_a1SF, b_a1SG)
                      Data.Array.Parallel.Lifted.Closure.:-> (Data.Array.Parallel.PArray.Base.PArray
                                                                a_a1SF,
                                                              Data.Array.Parallel.PArray.Base.PArray
                                                                b_a1SG)
        Inferred type forall a_a21g b_a21h.
                      (Data.Array.Parallel.PArray.PRepr.PA b_a21h,
                       Data.Array.Parallel.PArray.PRepr.PA a_a21g) =>
                      Data.Array.Parallel.PArray.Base.PArray (a_a21g, b_a21h)
                      Data.Array.Parallel.Lifted.Closure.:-> (Data.Array.Parallel.PArray.Base.PArray
                                                                a_a21g,
                                                              Data.Array.Parallel.PArray.Base.PArray
                                                                b_a21h)
gmake[1]: *** [libraries/dph/dph-seq/dist-install/build/Data/Array/Parallel.o] Fehler 1
gmake: *** [all] Fehler 2

I doubt it's dph's fault, though, since it built yesterday morning and apparently there have been no changes to dph for several days. I didn't find any commits to ghc mentioning vectorisation recently either, so I've no idea what may have caused it.

Trac metadata

Trac field	Value
Version	7.3
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
Test case
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