Work around issue 15920 in pkg/stack_trace.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//112953004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/stack_trace@31526 260f80e4-7a28-3924-810f-c04153c831b5
2 files changed
tree: 9729deed6c4d03236878446f282682eb3eb644d3
  1. pkgs/