Xi Ge a603fcbcf3 swift-api-digester: More strict conditions when detecting member hoist API changes. [SR-5498] (#11091) ...

We observed several false positives of function hoist API changes. This patch
strictly checks the new module doesn't contain a declaration with the
identical name of the old function before hoisting to eliminate such
false positives.

This case is too complex to come up with an actual test case.

2017-07-20 17:07:06 -07:00

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