[GHC] #8374: `tcIfaceGlobal (local): not found` while compiling

[GHC]

#8374: `tcIfaceGlobal (local): not found` while compiling
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        Reporter:  bgamari              |            Owner:  thoughtpolice
            Type:  bug                  |           Status:  new
        Priority:  high                 |        Milestone:
       Component:  Build System         |          Version:  7.7
      Resolution:                       |         Keywords:
Operating System:  Unknown/Multiple     |     Architecture:  arm
 Type of failure:  Building GHC failed  |       Difficulty:  Unknown
       Test Case:                       |       Blocked By:
        Blocking:                       |  Related Tickets:
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Comment (by goldfire):

 Having just tripped across this, adding `-fno-warn-amp` to the
 `GhcLibHcOpts` line in the active section of your `build.mk` works nicely.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8374#comment:32>
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