[SR-11136] Swift CI: (RxDataSources) Swift Source Compatibility Suite (master[-debug])

[xedin]

Previous ID	SR-11136
Radar	rdar://problem/53085707
Original Reporter	@xedin
Type	Bug

Additional Detail from JIRA

Votes	0
Component/s	Compiler
Labels	Bug
Assignee	None
Priority	Medium

md5: 29fbaf72aff04d0bcdafe9ad140a86a8

duplicates:

• SR-11135 Swift CI: (R.swift) Swift Source Compatibility Suite (master[-debug])

is duplicated by:

• SR-11141 [Source Compat] Possible RxSwift breakage - error: 'NSTextView' is incompatible with 'weak' references

Issue Description:

Jenkins URL: https://ci.swift.org/job/swift-master-source-compat-suite/3871

/Users/buildnode/jenkins/workspace-private/swift-master-source-compat-suite/project_cache/RxDataSources/.build/checkouts/RxSwift/Sources/RxCocoa/NSTextView+Rx.swift:20:12: error: 'NSTextView' is incompatible with 'weak' references
    public weak private(set) var textView: NSTextView?
           ^~~~~

Starting happening in build #3865 with following changes:

    AST: add a workaround for VS2017 
    Sort `DeclAttributeAndRange`s Deterministically
    AST: Remove ObjectLiteralExpr::{get,set}SemanticExpr()
    Replace all 9999 availability in non-stdlib tests. (#26109)
    Replace stdlib and test/stdlib 9999 availability. (#26108)

[beccadax]

Likely duplicate of https://bugs.swift.org/browse/SR-11135.

[belkadan]

The error is in fact correct, though.

[beccadax]

SwiftPM appears to be cloning the wrong versions of dependencies. The error is correct given the version mismatch.

[justice-adams-apple]

This issue was resolved with an update to the RxSwift revision and is no longer seen in the compat suite
https://github.com/apple/swift-source-compat-suite/pull/723/files