[SR-12837] SourceKit is not indexing @objc optional protocol methods

[swift-ci]

Previous ID	SR-12837
Radar	None
Original Reporter	rockbruno (JIRA User)
Type	Bug
Status	Resolved
Resolution	Cannot Reproduce

Environment

Xcode 11.4.1

Additional Detail from JIRA

Votes	0
Component/s	Source Tooling
Labels	Bug
Assignee	None
Priority	Medium

md5: d578e7a3468768883192aac8be170b86

Issue Description:

protocol Prot {
    func foo()
    @objc optional func foobar()
}

Here, an index.source request to SourceKit will correctly index the `foo()` reference, but not the `foobar` one.

[swift-ci]

Comment by Bruno Rocha (JIRA)

Looks like this has been fixed in the latest master, it works now