Don't emit errors or warnings from outside the user source range (unless there are no errors in the user source range.)
Don't emit errors or warnings from outside the user source range (unless there are
no errors in the user source range.)

<rdar://problem/24528835>

apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb