[GHC] #11804: Export zonkEvBinds from TcHsSyn.

[GHC]

#11804: Export zonkEvBinds from TcHsSyn.
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        Reporter:  conal             |                Owner:
            Type:  feature request   |               Status:  merge
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.11
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"5a1add134fdb2ab4d91b0f66de1dc89f0cd69354/ghc"
 5a1add13/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="5a1add134fdb2ab4d91b0f66de1dc89f0cd69354"
 Export zonkEvBinds from TcHsSyn.

 Needed for constructing correct constraint-satisfying code
 (particularly type class instances) in a Core-to-Core transformation.

 Reviewers: simonpj, austin, bgamari

 Reviewed By: austin, bgamari

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2088

 GHC Trac Issues: #11804
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11804#comment:2>
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