[GHC] #12819: Pattern synonym signatures are not validity-checked

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Mon Dec 19 03:15:27 UTC 2016


#12819: Pattern synonym signatures are not validity-checked
-------------------------------------+-------------------------------------
        Reporter:  goldfire          |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler (Type    |              Version:  8.1
  checker)                           |
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC accepts       |            Test Case:
  invalid program                    |  patsyn/should_fail/T12819
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by goldfire):

 * testcase:   => patsyn/should_fail/T12819


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12819#comment:3>
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