Is this a bug report?

Yes

Have you read the Contributing Guidelines?

Yes

Environment

Environment:
OS: macOS High Sierra 10.13
Node: 8.7.0
Yarn: 1.2.1
npm: 5.4.2
Watchman: 4.7.0
Xcode: Xcode 9.0.1 Build version 9A1004
Android Studio: 2.3 AI-162.4069837

Packages: (wanted => installed)
react: 16.0.0 => 16.0.0
react-native: 0.49.3 => 0.49.3

Steps to Reproduce

(Write your steps here:)

1. using 'View.propTypes.style'
2. app crash in release mode
3. not crash in debug mode.

Expected Behavior

App work well

Actual Behavior

Crash

(Write what happened. Add screenshots!)
undefined is not an object(evaluating '_reactNative.View.propTypes.style')

Reproducible Demo

https://snack.expo.io/SkG37a0a-