6c7d65e482
Only allocate space for the bits covered by the stackmap, instead of for the backing store of the utility class that built it. Fix a bug where the size in bytes was multiplied by the word size in bytes. Also do some cleanup of the stackmap code and renaming in the tests. BUG= Review URL: https://chromiumcodereview.appspot.com//10832292 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@10870 260f80e4-7a28-3924-810f-c04153c831b5