[GHC] #8144: Interface hashes include time stamp of dependent files (UsageFile mtime)

[GHC]

#8144: Interface hashes include time stamp of dependent files (UsageFile mtime)
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        Reporter:  nh2                           |            Owner:  nh2
            Type:  bug                           |           Status:  patch
        Priority:  normal                        |        Milestone:
       Component:  Compiler                      |          Version:  7.6.3
      Resolution:                                |         Keywords:
Operating System:  Unknown/Multiple              |     Architecture:
 Type of failure:  Compile-time performance bug  |  Unknown/Multiple
       Test Case:                                |       Difficulty:
        Blocking:                                |  Unknown
                                                 |       Blocked By:
                                                 |  Related Tickets:
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Comment (by nh2):

 A backport to 7.6 can be found at https://github.com/nh2/ghc/releases/tag
 /fix-interface-hashes-mtime-7.6.3-release-tarball-tag (based on 7.6.3
 release tarball, 64 bit Linux ghc binary also provided).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8144#comment:19>
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