iseq.c: remove duplicated strings for file paths
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40334 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
iseq.c: remove duplicated strings for file paths
the same path and absolute_path. [Bug #8149]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40334 b2dd03c8-39d4-4d8f-98ff-823fe69b080e