[ruby-cvs:78489] 447d583536 (master): Silence incorrect assigned but unused variable warnings in ripper

Jeremy Evans	2019-08-28 03:48:50 +0900 (Wed, 28 Aug 2019)

  New Revision: 447d583536

  https://github.com/ruby/ruby/commit/447d583536

  Log:
    Silence incorrect assigned but unused variable warnings in ripper
    
    To only emit the warnings in correct cases would require tracking
    local variable usage in ripper, which ripper currently does not do.
    
    Fixes [Bug #15188]

  Modified files:
    parse.y