[GHC] #15659: Wacky error message when RULE mentions out-of-scope variable

[GHC]

#15659: Wacky error message when RULE mentions out-of-scope variable
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:  fixed             |             Keywords:  newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Poor/confusing    |            Test Case:
  error message                      |  rename/should_fail/T15659
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * status:  new => closed
 * testcase:   => rename/should_fail/T15659
 * resolution:   => fixed


Comment:

 a plane journey gave me a chance to fix this.  Thanks for reporting it!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15659#comment:2>
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