[GHC] #15818: Bump template-haskell version to 2.15.0.0

[GHC]

#15818: Bump template-haskell version to 2.15.0.0
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        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Template Haskell  |              Version:  8.7
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #2600, #14268     |  Differential Rev(s):  Phab:D5272
       Wiki Page:                    |
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Comment (by Ryan Scott <ryan.gl.scott@…>):

 In [changeset:"32f47e33f75efba9d61f7cca33158ea8a342b07e/ghc"
 32f47e33/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="32f47e33f75efba9d61f7cca33158ea8a342b07e"
 Bump template-haskell version to 2.15.0.0

 Summary:
 Commit 512eeb9bb9a81e915bfab25ca16bc87c62252064
 (`More explicit foralls (GHC Proposal 0007)`) introduced breaking
 changes to the Template Haskell AST. As a consequence of this, there
 are libraries in the wild that now fail to build on GHC HEAD (for
 instance, `th-abstraction`).

 This properly bumps the `template-haskell` library's version number
 to `2.15.0.0` so that these libraries can guard against these changes
 using `MIN_VERSION_template_haskell`.

 Test Plan: ./validate

 Reviewers: bgamari

 Reviewed By: bgamari

 Subscribers: rwbarton, carter

 GHC Trac Issues: #15818

 Differential Revision: https://phabricator.haskell.org/D5272
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15818#comment:2>
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