Superview's layer shadow breaks UIVisualEffectView

Originator:an00na
Number:rdar://28083614 Date Originated:30-Aug-2016 04:37 PM
Status:Open Resolved:
Product:iOS SDK Product Version:10.0 beta 6
Classification:Serious Bug Reproducible:Always
 
Summary:
If superview.layer has shadow configured, UIVisualEffectView’s blur and vibrancy effects are broken.

Steps to Reproduce:
1. Launch sample app in iOS 10 to see the broken effects.
2. Launch sample app in iOS 9 to see the correct effects.

Regression:
New in iOS 10.

Code: https://cloudup.com/cO8ZOgsMlRy

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