[GHC] #9175: Bad interaction between Pattern Synonyms and Text

GHC ghc-devs at haskell.org
Fri Jun 6 12:25:34 UTC 2014


#9175: Bad interaction between Pattern Synonyms and Text
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        Reporter:  emertens            |            Owner:
            Type:  bug                 |           Status:  merge
        Priority:  normal              |        Milestone:
       Component:  Compiler            |          Version:  7.8.2
      Resolution:                      |         Keywords:
Operating System:  Unknown/Multiple    |     Architecture:
 Type of failure:  Compile-time crash  |  Unknown/Multiple
       Test Case:                      |       Difficulty:  Unknown
        Blocking:                      |       Blocked By:
                                       |  Related Tickets:
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Changes (by simonpj):

 * status:  new => merge


Comment:

 Thank you for reporting this bug.  It exposed a nasty bug in the pattern-
 synonym implementation, which I have now fixed.  Nasty in that it's not
 easy to provoke... but I'm sure it would have bitten us soon enough.
 Indeed I'm not even going to add a test case.

 Please merge to 7.8.3 though (along with the corresponding Haddock patch.

 Thanks

 Simon

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9175#comment:2>
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