Attachment: Download

duplicates:

• SR-3935 Initializing from @objc protocol with Protocol.Type causes a memory leak

Issue Description:

We have an Objective-C protocol which has an initializer method, and a Swift generic function with that type, creating instance of that generic type using the initializer will cause the created instance being leaked. Full demo project is attached.

// Mode.h
@protocol ObjCInitProtocol <NSObject>
- (instancetype)initWithValue:(NSInteger)value;
@end

// main.swift
func testObjC<T: ObjCInitProtocol>() -> T? {
    weak var object: T?
    do {
        object = T(value: 10) // This instance will be leaked.
    }
    return object
}