[GHC] #10031: coerce can cause compiler to loop

[GHC]

#10031: coerce can cause compiler to loop
-------------------------------------+-------------------------------------
        Reporter:  glguy             |                   Owner:  goldfire
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.10.1-rc1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  crash                              |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:  Phab:D630
-------------------------------------+-------------------------------------
Changes (by goldfire):

 * differential:   => Phab:D630


Comment:

 Just using Phab to validate... I don't think this needs external eyes to
 review.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10031#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler