ogle/probe: allow zero-sized reads and writes.

Go has zero-sized types, and it would be nice if
validRead(&x, sizeof(x)) was true for any legit variable x.

LGTM=r
R=r
https://golang.org/cl/62000044
2 files changed
tree: 124a54ff17f4cf4fb96b19e4e56ace2853eb9579
  1. AUTHORS
  2. CONTRIBUTORS
  3. LICENSE
  4. README
  5. codereview.cfg
  6. probe/