[GHC] #15291: Incorrect SCC name parsing according to user manual

[GHC]

#15291: Incorrect SCC name parsing according to user manual
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        Reporter:  osa1              |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.5
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #2071             |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by sighingnow):

 * related:   => #2071


Comment:

 The restriction was add 10 years ago to fix #2071.

 See:
 https://github.com/ghc/ghc/commit/82a7cebaea5dce16fc9658cc6a5ec037348075d1

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15291#comment:2>
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