457bb1bdcb
Also fix some tests that expected + prefix in hex numbers to be illegal. According to our documentation, int.parse() accepts + for numbers in all formats/radixes. R=srdjan@google.com Review URL: https://codereview.chromium.org//17103002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@24051 260f80e4-7a28-3924-810f-c04153c831b5