* parse.y (negate_lit): add T_RATIONAL and T_COMPLEX to the switch
  statement, and call rb_bug() if an unknown type is passed to
  negate_lit(). [ruby-core:56316] [Bug #8717]

* bootstraptest/test_literal_suffix.rb (assert_equal): add test

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42323 b2dd03c8-39d4-4d8f-98ff-823fe69b080e