tree 28c6b12967fcf9dd7cb5b53760cafcbbfa3e9969
parent ce53b14c6f0c175b20f63f10e46e1f5911f67c4f
author nweiz@google.com <nweiz@google.com> 1416613779 +0000
committer nweiz@google.com <nweiz@google.com> 1416613779 +0000

Avoid instantiating FileLocations where possible in source_span.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//754463002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/source_span@41921 260f80e4-7a28-3924-810f-c04153c831b5