- Do not access the first character in zero-length strings.

- Do not access the first character in zero-length strings.
- Make sure to print all 64-bits of the Dart_Port if necessary.

R=ricow@google.com

Committed: https://github.com/dart-lang/sdk/commit/6446cc5096daf273b7de097e0ca8e83a34431bca

[Ivan Posva, 2015-09-03 06:16:54]

iposva@google.com changed reviewers:
+ ricow@google.com, srdjan@google.com, zra@google.com

[ricow1, 2015-09-03 06:21:06]

lgtm

[Ivan Posva, 2015-09-03 06:22:21]

Committed patchset #1 (id:1) manually as
6446cc5096daf273b7de097e0ca8e83a34431bca (presubmit successful).

[srdjan, 2015-09-03 14:45:20]

lgtm