[GHC] #10924: Template variable unbound in rewrite rule

[GHC]

#10924: Template variable unbound in rewrite rule
-------------------------------------+-------------------------------------
        Reporter:  crockeea          |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  7.10.3
       Component:  Compiler          |              Version:  7.10.2
      Resolution:                    |             Keywords:  singletons,
                                     |  templatehaskell
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash                              |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
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Changes (by thomie):

 * milestone:   => 7.10.3


Comment:

 I can reproduce this issue with ghc-7.10.2.20150906 (commit
 108e35ff67586ffd570ca18d84a4f5fbf79727cc), which doesn't include the fix
 for #10689 yet.


 Run `cabal install --with-ghc=/opt/ghc/7.10.3/bin/ghc type-natural
 singletons` first.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10924#comment:2>
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