[GHC] #8205: the 'impossible' happened : expectJust block_order

[GHC]

#8205: the 'impossible' happened : expectJust block_order
----------------------------------------+----------------------------------
        Reporter:  erikd                |            Owner:  jstolarek
            Type:  bug                  |           Status:  new
        Priority:  normal               |        Milestone:
       Component:  Compiler             |          Version:  7.7
      Resolution:                       |         Keywords:
Operating System:  Unknown/Multiple     |     Architecture:
 Type of failure:  Building GHC failed  |  Unknown/Multiple
       Test Case:                       |       Difficulty:  Unknown
        Blocking:                       |       Blocked By:
                                        |  Related Tickets:
----------------------------------------+----------------------------------

Comment (by erikd):

 Pulled HEAD and tested this on powerpc64-linux.

 No longer getting the originally reported but now get the following:

 {{{
 "inplace/bin/ghc-stage1" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O
 -Werror -Wall
   -H64m -O0 -package-name base-4.7.0.0 -hide-all-packages -i
 -ilibraries/base/.
   -ilibraries/base/dist-install/build -ilibraries/base/dist-
 install/build/autogen
   -Ilibraries/base/dist-install/build -Ilibraries/base/dist-
 install/build/autogen
   -Ilibraries/base/include   -optP-DOPTIMISE_INTEGER_GCD_LCM -optP-include
   -optPlibraries/base/dist-install/build/autogen/cabal_macros.h -package
 ghc-prim-0.3.1.0
   -package integer-gmp-0.5.1.0 -package rts-1.0 -package-name base
 -XHaskell98 -XCPP
   -O2 -O -dcore-lint -fno-warn-deprecated-flags  -no-user-package-db
 -rtsopts
   -odir libraries/base/dist-install/build -hidir libraries/base/dist-
 install/build
   -stubdir libraries/base/dist-install/build   -c
 libraries/base/./Text/Printf.hs
   -o libraries/base/dist-install/build/Text/Printf.o

 In file included from /home/erikd/PPC64/ghc-ppc64/includes/Stg.h:232:0:
     0,
                      from /tmp/ghc9517_0/ghc9517_2.hc:3:

 /home/erikd/PPC64/ghc-ppc64/includes/stg/Regs.h:359:2:
      error: #error BaseReg must be in a register for THREADED_RTS
 /tmp/ghc9517_0/ghc9517_2.hc: In function
 'ghczm7zi7zi20130912_Platform_zdWPlatform_slow':

 /tmp/ghc9517_0/ghc9517_2.hc:16:1:
      error: 'MainCapability' undeclared (first use in this function)
 }}}

 followed by well over 100 complaints about `MainCapability`.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8205#comment:22>
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