Inthere are not yet explicit tests for a field with data shared between two different entity types. That's one of the trickier bits of the patch so we should really have explicit coverage. Given that patch is 580kb and blocks several others, and it's been manually tested for this case, I'm going to commit it without those tests, but adding them should block both release and a beta so we don't get nasty surprises later.
PASSED: [[SimpleTest]]: [MySQL] 58,865 pass(es).
FAILED: [[SimpleTest]]: [MySQL] 58,743 pass(es), 3 fail(s), and 0 exception(s).
FAILED: [[SimpleTest]]: [MySQL] 58,387 pass(es), 1 fail(s), and 1 exception(s).