[GHC] #12911: Levity polymorphism check eliminates non-levity-polymorphic data constructor

[GHC]

#12911: Levity polymorphism check eliminates non-levity-polymorphic data
constructor
-------------------------------------+-------------------------------------
        Reporter:  goldfire          |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:  fixed             |             Keywords:
                                     |  LevityPolymorphism
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  typecheck/should_compile/T12911
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by goldfire):

 * testcase:   => typecheck/should_compile/T12911
 * status:  new => closed
 * resolution:   => fixed


Comment:

 Thanks for merging, Ben!

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12911#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler