tree b543487293004ed1a9eb4744b91795ca82148d02
parent 3f8a3703395a751be25942801d802e033bc14ffe
author Michael Bolin <mbolin@fb.com> 1383333368 -0700
committer Michael Bolin <mbolin@fb.com> 1383592651 -0800

In BuildRuleResolver, assert that a rule is added only once.

Summary: This seems to have uncovered a bug in AndroidBinaryRuleTest.

Test Plan: Sandcastle builds.