[GHC] #12723: Family instance modules are not fingerprinted in ABI

[GHC]

#12723: Family instance modules are not fingerprinted in ABI
-------------------------------------+-------------------------------------
        Reporter:  ezyang            |                Owner:
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Driver            |              Version:  8.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2607
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Edward Z. Yang <ezyang@…>):

 In [changeset:"8fa2cdb16c4db8141b889f2364d8e5fccc62cde3/ghc" 8fa2cdb/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="8fa2cdb16c4db8141b889f2364d8e5fccc62cde3"
 Track dep_finsts in exports hash, as it affects downstream deps.

 Summary:
 I also added some more comments about the orphan and family instance
 hashing business.

 Fixes #12723.

 Signed-off-by: Edward Z. Yang <ezyang at cs.stanford.edu>

 Test Plan: validate

 Reviewers: bgamari, austin

 Subscribers: thomie

 Differential Revision: https://phabricator.haskell.org/D2607

 GHC Trac Issues: #12723
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12723#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler