449fe6ba53
This is similar to r9378, but omits the (broken) changes to catch statements and adds some additional piping. Review URL: https://chromiumcodereview.appspot.com//10704090 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@9381 260f80e4-7a28-3924-810f-c04153c831b5