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	merge revision(s) 4e038a7e64: [Backport #5400]
				
					
				
			Revert "parse.y: Deprecate flip-flops"
	This reverts commit bae638ad5b.
	[Feature #5400]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67792 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
			
			
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					 3 changed files with 4 additions and 8 deletions
				
			
		
							
								
								
									
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			@ -9861,10 +9861,8 @@ cond0(struct parser_params *p, NODE *node, int method_op, const YYLTYPE *loc)
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      case NODE_DOT3:
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	node->nd_beg = range_op(p, node->nd_beg, loc);
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	node->nd_end = range_op(p, node->nd_end, loc);
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	if (nd_type(node) == NODE_DOT2 || nd_type(node) == NODE_DOT3) {
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	    nd_set_type(node, nd_type(node) == NODE_DOT2 ? NODE_FLIP2 : NODE_FLIP3);
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	    parser_warn(p, node, "flip-flop is deprecated");
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	}
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	if (nd_type(node) == NODE_DOT2) nd_set_type(node,NODE_FLIP2);
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	else if (nd_type(node) == NODE_DOT3) nd_set_type(node, NODE_FLIP3);
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	if (!method_op && !e_option_supplied(p)) {
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	    int b = literal_node(node->nd_beg);
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	    int e = literal_node(node->nd_end);
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			@ -978,9 +978,7 @@ eom
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      eval('1 if !//')
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    end
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    assert_warn('') do
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      verbose_bak, $VERBOSE = $VERBOSE, nil
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      eval('1 if !(true..false)')
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      $VERBOSE = verbose_bak
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    end
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    assert_warning('') do
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      eval('1 if !1')
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			@ -1,10 +1,10 @@
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#define RUBY_VERSION "2.6.4"
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#define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
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#define RUBY_PATCHLEVEL 102
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#define RUBY_PATCHLEVEL 103
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#define RUBY_RELEASE_YEAR 2019
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#define RUBY_RELEASE_MONTH 8
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#define RUBY_RELEASE_DAY 27
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#define RUBY_RELEASE_DAY 28
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#include "ruby/version.h"
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