[GHC] #12403: Template Haskell boxes unboxed tuple types when reifying them

[GHC]

#12403: Template Haskell boxes unboxed tuple types when reifying them
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        Reporter:  RyanGlScott       |                Owner:
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.0.2
       Component:  Template Haskell  |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect result  |  Unknown/Multiple
  at runtime                         |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2405
       Wiki Page:                    |
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Comment (by Ryan Scott <ryan.gl.scott@…>):

 In [changeset:"514c4a4741f3881672f1ccc1fe6d08a5d596bb87/ghc" 514c4a4/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="514c4a4741f3881672f1ccc1fe6d08a5d596bb87"
 Fix Template Haskell reification of unboxed tuple types

 Summary:
 Previously, Template Haskell reified unboxed tuple types as boxed
 tuples with twice the appropriate arity.

 Fixes #12403.

 Test Plan: make test TEST=T12403

 Reviewers: hvr, goldfire, austin, bgamari

 Reviewed By: goldfire

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2405

 GHC Trac Issues: #12403
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12403#comment:3>
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