[GHC] #7241: GHC-7.6.1 panics on template haskell code

[GHC]

#7241: GHC-7.6.1 panics on template haskell code
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        Reporter:  akamaus             |            Owner:  Yuras
            Type:  bug                 |           Status:  patch
        Priority:  normal              |        Milestone:  7.8.3
       Component:  Template Haskell    |          Version:  7.6.1
      Resolution:                      |         Keywords:
Operating System:  Unknown/Multiple    |     Architecture:
 Type of failure:  Compile-time crash  |  Unknown/Multiple
       Test Case:                      |       Difficulty:  Unknown
        Blocking:                      |       Blocked By:
                                       |  Related Tickets:
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"c226d25fef519db663d0c9efe7845637423f1dca/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="c226d25fef519db663d0c9efe7845637423f1dca"
 Emit error in case of duplicate GRE; fixes #7241

 Signed-off-by: Austin Seipp <austin at well-typed.com>
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7241#comment:9>
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