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

[GHC]

#8205: the 'impossible' happened : expectJust block_order
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        Reporter:  erikd                |            Owner:
            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:
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Comment (by erikd):

 After disabling dyn it segfaults with:

 {{{
 "inplace/bin/ghc-stage2" -hisuf hi -osuf  o -hcsuf hc -static  -H32m -O
 -Werror -Wall -H64m -O0
   -hide-all-packages -i -iutils/haddock/driver -iutils/haddock/src
 -iutils/haddock/dist/build
   -iutils/haddock/dist/build/autogen -Iutils/haddock/dist/build
 -Iutils/haddock/dist/build/autogen
   -optP-DIN_GHC_TREE -optP-include
 -optPutils/haddock/dist/build/autogen/cabal_macros.h
   -package Cabal-1.18.0 -package array-0.4.0.2 -package base-4.7.0.0
 -package containers-0.5.3.1
   -package deepseq-1.3.0.2 -package directory-1.2.0.1 -package
 filepath-1.3.0.2
   -package ghc-7.7.20130906 -package xhtml-3000.2.1 -funbox-strict-fields
 -Wall -fwarn-tabs
   -O2 -XHaskell2010  -no-user-package-db -rtsopts      -odir
 utils/haddock/dist/build
   -hidir utils/haddock/dist/build -stubdir utils/haddock/dist/build
   -c utils/haddock/src/Haddock/GhcUtils.hs -o
 utils/haddock/dist/build/Haddock/GhcUtils.o
 }}}

 which is the third object file to be built with the stage2 compiler.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8205#comment:10>
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