[GHC] #13918: No "warning: [-Wunrecognised-pragmas] Unrecognised pragma" when there is no name of pragmas

[GHC]

#13918: No "warning: [-Wunrecognised-pragmas] Unrecognised pragma" when there is no
name of pragmas
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        Reporter:  vanto             |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  error/warning at compile-time      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by vanto):

 Replying to [[span(style=color: #FF0000, j.waldmann )]]\\
 >This list can be empty\\
 About LANGUAGE pragma, Can you quote the reference manual in which you
 read this sentence, please, and show me the page?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13918#comment:2>
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