[GHC] #10494: Representational equalities over AppTys are not hard failures

[GHC]

#10494: Representational equalities over AppTys are not hard failures
-------------------------------------+-------------------------------------
        Reporter:  goldfire          |                   Owner:  goldfire
            Type:  bug               |                  Status:  merge
        Priority:  normal            |               Milestone:  7.10.3
       Component:  Compiler          |                 Version:
      Resolution:  fixed             |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
                                     |  typecheck/should_compile/T10494
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by goldfire):

 * status:  closed => merge
 * milestone:   => 7.10.3


Comment:

 Replying to [comment:6 crockeea]:
 > This is ruining my day, see #10428.

 Hm. I'm a little confused here, then. Could this fix be merged for 7.10.3
 (if that happens)? The original case in #10428 compiles with HEAD but
 fails with 7.10.2.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10494#comment:7>
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