parse.y: flush string content
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
parse.y: flush string content
line and :string_embexpr. [ruby-core:48703] [Bug #7255]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e