[GHC] #9778: Namespace collision detection for promoted types

[GHC]

#9778: Namespace collision detection for promoted types
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              Reporter:  crockeea    |            Owner:  carlostome
                  Type:  feature     |           Status:  patch
  request                            |        Milestone:
              Priority:  normal      |          Version:  7.8.3
             Component:  Compiler    |         Keywords:  newcomer
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:  T9778       |
              Blocking:              |
Differential Revisions:  Phab:D534   |
-------------------------------------+-------------------------------------

Comment (by Austin Seipp <austin@…>):

 In [changeset:"87160c1a5e5c742de176b29d8c3a596fba0983cf/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="87160c1a5e5c742de176b29d8c3a596fba0983cf"
 renamer: fix trac issue #9778

 Summary: Added flag -fwarn-unticked-promoted-constructors

 Test Plan: test T9778 under tests/rename/should_compile

 Reviewers: jstolarek, simonpj, austin

 Reviewed By: jstolarek, simonpj, austin

 Subscribers: simonpj, goldfire, jstolarek, thomie, carter

 Differential Revision: https://phabricator.haskell.org/D534

 GHC Trac Issues: #9778
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9778#comment:15>
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