swift

d3868ad2 - IRGen: Perform completely fragile layout for all classes, not just @objc ancestry

IRGen: Perform completely fragile layout for all classes, not just @objc ancestry Otherwise, Objective C categories don't work for classes with resilient fields, such as the value types defined in the Foundation overlay. Fixes <rdar://problem/40819319>, <https://bugs.swift.org/browse/SR-7882>.