[GHC] #15067: When Typeable and unboxed sums collide, GHC panics

[GHC]

#15067: When Typeable and unboxed sums collide, GHC panics
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler (Type    |              Version:  8.4.1
  checker)                           |             Keywords:  Typeable,
      Resolution:  fixed             |  UnboxedSums
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Compile-time      |            Test Case:
  crash or panic                     |  typecheck/should_fail/T15067
      Blocked By:                    |             Blocking:
 Related Tickets:  #13276            |  Differential Rev(s):  Phab:D4622,
       Wiki Page:                    |  Phab:D4623
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * testcase:   => typecheck/should_fail/T15067
 * status:  patch => closed
 * resolution:   => fixed


Comment:

 Thanks, Ben!

 #13276 tracks the remaining issue of making unboxed sum type/data
 constructors `Typeable`.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15067#comment:6>
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