[GHC] #15815: problem with splicing type into constraint

[GHC]

#15815: problem with splicing type into constraint
-------------------------------------+-------------------------------------
        Reporter:  int-e             |                Owner:  RyanGlScott
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:
       Component:  Template Haskell  |              Version:  8.6.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * owner:  (none) => RyanGlScott
 * priority:  normal => highest


Comment:

 This appears to be my fault, since this regression was introduced in
 commit b9483981d128f55d8dae3f434f49fa6b5b30c779 (`Remove HsEqTy and
 XEqTy`). I'll take a look.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15815#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler