[GHC] #10077: Providing type checker plugin on command line results in false cyclic import error

[GHC]

#10077: Providing type checker plugin on command line results in false cyclic
import error
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        Reporter:  jbracker          |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.11
  checker)                           |                Keywords:
      Resolution:                    |  typechecker plugin cycle imports
Operating System:  Linux             |            Architecture:  x86_64
 Type of failure:  Incorrect         |  (amd64)
  warning at compile-time            |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by ezyang):

 adamgundry: I don't think your diagnosis of the problem is correct. Isn't
 the case here that, when GHC attempts to compile a plugin, it shouldn't
 use the `-fplugin` arguments for the compilation? Simple stage
 restriction: you can't use a plugin on itself.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10077#comment:7>
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