[GHC] #13609: regression: `ANN` pragmas no longer ignored in TH-less GHC 8.2.1

[GHC]

#13609: regression: `ANN` pragmas no longer ignored in TH-less GHC 8.2.1
-------------------------------------+-------------------------------------
        Reporter:  hvr               |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  highest           |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.2.1-rc1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:  stage1/T13609
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3496
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"18fbb9d32cbc157e3bbd235e392f1625f77321e3/ghc"
 18fbb9d3/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="18fbb9d32cbc157e3bbd235e392f1625f77321e3"
 testsuite: Add test for #13609
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13609#comment:13>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler