STR_NOCAPA_P(str)' check because
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
str_make_independent_expand() set NOEMBED flag.
STR_NOCAPA_P(str)' check because
str' is independent (not shared).git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e