[GHC] #11736: Allow unsaturated uses of unlifted types in Core

[GHC]

#11736: Allow unsaturated uses of unlifted types in Core
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        Reporter:  bgamari           |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by goldfire):

 I believe this is OK. But we're beyond the scope of any proof I'm aware of
 for safety -- none have considered unlifted types, to my knowledge.

 Simon?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11736#comment:1>
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