[GHC] #13450: Better parse error for empy character literal

[GHC]

#13450: Better parse error for empy character literal
-------------------------------------+-------------------------------------
        Reporter:  parsonsmatt       |                Owner:  (none)
            Type:  feature request   |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
  (Parser)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Poor/confusing    |            Test Case:
  error message                      |  parser/should_fail/T13450
                                     |  parser/should_fail/T13450TH
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4594
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by sighingnow):

 * status:  new => patch
 * testcase:   => parser/should_fail/T13450 parser/should_fail/T13450TH
 * differential:   => Phab:D4594
 * component:  Compiler => Compiler (Parser)


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13450#comment:5>
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