merge revision(s) r47696,r47697: [Backport #10279]

	* parse.y (parse_ident): just after a label, new expression should
	  start, cannot be a modifier.  [ruby-core:65211] [Bug #10279]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@47703 b2dd03c8-39d4-4d8f-98ff-823fe69b080e