[GHC] #13481: T12622 fails in ghci way

[GHC]

#13481: T12622 fails in ghci way
-------------------------------------+-------------------------------------
        Reporter:  bgamari           |                Owner:  bgamari
            Type:  bug               |               Status:  patch
        Priority:  high              |            Milestone:  8.2.2
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
                                     |  StaticPointers
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:  T12622
      Blocked By:                    |             Blocking:
 Related Tickets:  #12622, #12356    |  Differential Rev(s):  Phab:D3920
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"cd857dd415378ac4204a164407d350b0c3ede5ae/ghc"
 cd857dd4/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="cd857dd415378ac4204a164407d350b0c3ede5ae"
 SetLevels: Substitute in ticks in lvlMFE

 Previously SetLevels.lvlMFE would fail to substitute in ticks, unlike
 lvlExpr.  This lead to #13481. Fix this.

 Test Plan: `make test TEST=T12622 WAY=ghci`

 Reviewers: austin, simonpj

 Reviewed By: simonpj

 Subscribers: simonpj, rwbarton, thomie

 GHC Trac Issues: #13481

 Differential Revision: https://phabricator.haskell.org/D3920
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13481#comment:10>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler