1d281052f8
1) "list[0] = 1" unparses to "list[] = 0 1"; 2) "a = list[0]" unparses to "a = list[][0]"; BUG= TEST= Review URL: https://chromiumcodereview.appspot.com//10448008 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@8142 260f80e4-7a28-3924-810f-c04153c831b5