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swift-mirror/test/IRGen/objc_extensions.swift
Doug Gregor f2dd852f94 [ABI] Optimize out the witness table pattern for resilient conformances.
Resilient conformances now put all witnesses into the resilient witness
table, so optimize away the witness table pattern for such cases. Teach
the runtime to fill in the protocol conformance descriptor, because that’s
the only bit of real information that would be in the pattern.

This is a minor optimization enabled by rdar://problem/46282080.
2018-12-03 20:16:18 -08:00

6.9 KiB