grep_v is ruby 2.3 feature

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61744 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tool/ruby_vm/views/optinsn.inc.erb

@@ -59,7 +59,7 @@ rb_insn_unified_local_var_level(VALUE insn)
 % RubyVM::OperandsUnifications.each_group do |orig, unifs|
 %   unifs.each do|insn|
       case <%= insn.bin %>:
-%     insn.spec.map{|(var,val)|val}.grep_v('*').each do |val|
+%     insn.spec.map{|(var,val)|val}.reject{|i| i == '*' }.each do |val|
 	return <%= val %>;
 %       break
 %     end