[GHC] #9800: Panic when building HEAD with BuildFlavour=quickest: "Can't use Integer in integer-*"

[GHC]

#9800: Panic when building HEAD with BuildFlavour=quickest: "Can't use Integer in
integer-*"
-------------------------------------+-------------------------------------
       Reporter:  thomie             |                   Owner:
           Type:  bug                |                  Status:  new
       Priority:  normal             |               Milestone:
      Component:  Compiler           |                 Version:  7.8.3
       Keywords:                     |        Operating System:
   Architecture:  Unknown/Multiple   |  Unknown/Multiple
     Difficulty:  Unknown            |         Type of failure:  Building
     Blocked By:                     |  GHC failed
Related Tickets:                     |               Test Case:
                                     |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------
 {{{
 $ uname -op
 x86_64 GNU/Linux

 $ ghc --version
 The Glorious Glasgow Haskell Compilation System, version 7.8.3

 $ git log --oneline | head -1
 fa75309 Update .mailmap

 $ make
 ===--- building phase 0
 make -r --no-print-directory -f ghc.mk phase=0 phase_0_builds
 make[1]: Nothing to be done for `phase_0_builds'.
 ===--- building phase 1
 make -r --no-print-directory -f ghc.mk phase=1 phase_1_builds
 make[1]: Nothing to be done for `phase_1_builds'.
 ===--- building final phase
 make -r --no-print-directory -f ghc.mk phase=final all
 "inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -H64m -O0
 -fasm    -this-package-key integ_2MbWUstH60IEgCAexOk3v3 -hide-all-packages
 -i -ilibraries/integer-gmp2/src/ -ilibraries/integer-gmp2/dist-
 install/build -ilibraries/integer-gmp2/dist-install/build/autogen
 -Ilibraries/integer-gmp2/dist-install/build -Ilibraries/integer-gmp2/dist-
 install/build/autogen -Ilibraries/integer-gmp2/include    -optP-include
 -optPlibraries/integer-gmp2/dist-install/build/autogen/cabal_macros.h
 -package-key ghcpr_BE58KUgBe9ELCsPXiJ1Q2r -this-package-key integer-gmp
 -Wall -XHaskell2010 -O0 -fasm  -no-user-package-db -rtsopts      -odir
 libraries/integer-gmp2/dist-install/build -hidir libraries/integer-gmp2
 /dist-install/build -stubdir libraries/integer-gmp2/dist-install/build
 -dynamic-too -c libraries/integer-gmp2/src//GHC/Integer/Type.hs -o
 libraries/integer-gmp2/dist-install/build/GHC/Integer/Type.o -dyno
 libraries/integer-gmp2/dist-install/build/GHC/Integer/Type.dyn_o
 ghc-stage1: panic! (the 'impossible' happened)
   (GHC version 7.9.20141114 for x86_64-unknown-linux):
         Can't use Integer in integer-*

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

 make[1]: *** [libraries/integer-gmp2/dist-
 install/build/GHC/Integer/Type.o] Error 1
 make: *** [all] Error 2
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9800>
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