NSProcessInfo expiring activities retain their blocks forever

Originator:ckrames1234
Number:rdar://26359403 Date Originated:May 18, 2016
Status:Open Resolved:
Product:iOS SDK Product Version:iOS 9.3.1 [13E238]
Classification:Serious Bug Reproducible:Always
 
Whenever -[NSProcessInfo performExpiringActivityWithReason:usingBlock:] is called, the block parameter is retained forever.

Steps to Reproduce:

1. Download ExpiringActivityCycle.zip (https://www.dropbox.com/s/bmssk2yurxvd81d/ExpiringActivityCycle.zip?dl=1)
2. Open ExpiringActivityCycle.xcodeproj
3. Build and run on an iOS device running iOS 9.0-9.3.x

Expected Behavior:

The "block" and "dog" objects are released after the activity finishes.

Actual Behavior:

Neither the "block" nor "dog" objects are released.

Comments


Please note: Reports posted here will not necessarily be seen by Apple. All problems should be submitted at bugreport.apple.com before they are posted here. Please only post information for Radars that you have filed yourself, and please do not include Apple confidential information in your posts. Thank you!