[SR-14032] [Linux] URLSessionDataDelegate ignores the URLSession.ResponseDisposition passed to completion handler

[spevans]

Previous ID	SR-14032
Radar	rdar://problem/73014170
Original Reporter	@spevans
Type	Bug

Environment

swift-5.3.2 Ubuntu20.04

Additional Detail from JIRA

Votes	0
Component/s	Foundation
Labels	Bug, Linux
Assignee	None
Priority	Medium

md5: 67a3519ec0c22a19909eb43d90c8846f

Issue Description:

When the delegate method URLSessionDataDelegate.urlSession(_:dataTask:didReceive:completionHandler:) is called, the value passed to the completion handler is ignored and the task continues as if .allow was passed.

[typesanitizer]

@swift-ci create