[SR-8975] libdispatch fails to compile on linux

[eeckstein]

Previous ID	SR-8975
Radar	None
Original Reporter	@eeckstein
Type	Bug
Status	Closed
Resolution	Done

Additional Detail from JIRA

Votes	0
Component/s	libdispatch
Labels	Bug
Assignee	@compnerd
Priority	Medium

md5: 9dd84633ff2a53d8a40eb8e3a0d71b63

Issue Description:

https://ci.swift.org/view/all/job/oss-lldb-incremental-linux-ubuntu-16_04/5548/consoleFull#-1246752616373bf607-d277-47c6-812e-27acc852624c

{{/home/buildnode/jenkins/workspace/oss-lldb-incremental-linux-ubuntu-16_04/swift-corelibs-libdispatch/src/swift/Block.swift:43:73: error: cannot convert value of type 'UInt32' to expected argument type 'UInt'
17:25:49 _block = dispatch_block_create_with_qos_class(dispatch_block_flags_t(UInt32(flags.rawValue)),
17:25:49 ^~~~~~~~~~~~~~~~~~~~~~
17:25:49
17:25:49 /home/buildnode/jenkins/workspace/oss-lldb-incremental-linux-ubuntu-16_04/swift-corelibs-libdispatch/src/swift/Block.swift:50:73: error: cannot convert value of type 'UInt32' to expected argument type 'UInt'
17:25:49 _block = _swift_dispatch_block_create_noescape(dispatch_block_flags_t(UInt32(flags.rawValue)), noescapeBlock)
17:25:49 ^~~~~~~~~~~~~~~~~~~~~~

}}

[eeckstein]

This is high priority, because it's blocking pull request testing for swift: https://ci.swift.org/view/Pull%20Request/job/swift-PR-Linux-smoke-test/

[gottesmm]

Sending the bug over to compnerd.

[compnerd]

Fixed on master with #399, #400.

[eeckstein]

Thanks!