crash still existed

[candeladiao]

For Discussion

Environment:
OS: macOS High Sierra 10.13.4
Node: 10.4.0
Yarn: Not Found
npm: 6.1.0
Watchman: 4.7.0
Xcode: Xcode 9.3 Build version 9E145
Android Studio: 3.1 AI-173.4720617

Packages: (wanted => installed)
react: 16.3.1 => 16.3.1
react-native: ^0.55.4 => 0.55.4