syntax, if #available(iOS 10, *) not work in iOS, Xcode Version 8.1 (8B62)

Originator:andy1945jp
Number:rdar://29064544 Date Originated:02-Nov-2016 07:10 PM
Status:Open Resolved:
Product:iOS Product Version:
Classification: Reproducible:
 
Area:
Xcode

Summary:
syntax if #available(iOS 10, *) not work,  Checking API Availability not work

Steps to Reproduce:
        log.error(UIDevice.currentDevice().systemVersion)
        if #available(iOS 10, *) {
            print("iOS 10.0")
        } else {
            print("hah")
        }


Expected Results:
in, iOS 8, print hah
in iOS 10, print `iOS 10.0`

Actual Results:
both print `iOS 10.0` in iOS 8/10

Version:
Xcode, Version 8.1 (8B62), iOS 9.3

Notes:


Configuration:
iPhone 5

Comments


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