[GHC] #13027: Core lint errors compiling containers HEAD with GHC HEAD

[GHC]

#13027: Core lint errors compiling containers HEAD with GHC HEAD
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        Reporter:  erikd             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Building GHC      |  Unknown/Multiple
  failed                             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"75e8c305a497ec5ad3e5a5d9ff73bbf6f7a8a000/ghc"
 75e8c305/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="75e8c305a497ec5ad3e5a5d9ff73bbf6f7a8a000"
 Propagate evaluated-ness a bit more faithfully

 This was provoked by Trac #13027.

 The fix in Simplify actually cures the reported bug; see
 Note [Case binder evaluated-ness] in Simplify.

 The fix in CoreTidy looks like an omission that I fixed while I
 was at it.
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13027#comment:7>
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