[GHC] #13473: Variables in patterns made with QuasiQuotes sometimes don't get bound

[GHC]

#13473: Variables in patterns made with QuasiQuotes sometimes don't get bound
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        Reporter:  harpocrates       |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Template Haskell  |              Version:  8.0.2
      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):  Phab:D3572
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"eaf9cc4240019c2e91922ef38ae7236b59d59bdd/ghc"
 eaf9cc42/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="eaf9cc4240019c2e91922ef38ae7236b59d59bdd"
 Fix collect_lpat's treatment of HsSplicedPats

 `collect_lpat` was missing a case for `HsSplicedPat`, which caused
 incorrect renaming of TH-spliced pattern variables.

 Fixes #13473.

 Test Plan: make test TEST=T13473

 Reviewers: facundominguez, austin, bgamari

 Reviewed By: bgamari

 Subscribers: rwbarton, thomie

 GHC Trac Issues: #13473

 Differential Revision: https://phabricator.haskell.org/D3572
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13473#comment:5>
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