[SR-739] dispatch_queue_t is not upcastable to dispatch_object_t #754
Description
| Previous ID | SR-739 |
| Radar | None |
| Original Reporter | @drewcrawford |
| Type | Bug |
| Status | Resolved |
| Resolution | Won't Do |
Environment
Linux x64
swift-DEVELOPMENT-SNAPSHOT-2016-02-08-a
Additional Detail from JIRA
| Votes | 0 |
| Component/s | libdispatch |
| Labels | Bug |
| Assignee | dgrove-oss (JIRA) |
| Priority | Medium |
md5: 7a05c4859f5cb697454da6ee8894f864
Issue Description:
The following program compiles on Darwin:
let t: dispatch_queue_t! = nil
let a: dispatch_object_t! = tand not on Linux:
error: cannot convert value of type 'dispatch_queue_t!' to specified type 'dispatch_object_t!'
let a: dispatch_object_t! = t