[SR-2558] Default values for parameters in init are not inherited in another module

[swift-ci]

Previous ID	SR-2558
Radar	None
Original Reporter	diegosanchezr (JIRA User)
Type	Bug
Status	Resolved
Resolution	Done

Additional Detail from JIRA

Votes	0
Component/s	Compiler
Labels	Bug, 3.0Regression
Assignee	@DougGregor
Priority	Medium

md5: c46d2ff397cf421f1c6bc4e705d02f18

Issue Description:

Framework1:

open class Foo {
    let color: UIColor
    public init(color: UIColor = .white) {
        self.color = color
    }
}

Framework 2

import Framework1
class Bar: Foo {
}

print(Bar()) // Doesn't compile with swift-DEVELOPMENT-SNAPSHOT-2016-09-03-a.xctoolchain

Compiles with swift-DEVELOPMENT-SNAPSHOT-2016-09-01-a.xctoolchain
Doesn't compile with swift-DEVELOPMENT-SNAPSHOT-2016-09-03-a.xctoolchain

[belkadan]

cc @DougGregor

[slavapestov]

This works in Xcode 8.3.