🐛 Bug Report
Get errors when setting FlatList - debug={true}

To Reproduce
cd Destop && react-native init VirtualListDebugDemo && cd VirtualListDebugDemo && react-native run-ios
Expected Behavior
debug mode work fine
Code Example
Edit the App.js:
import React, { Component } from 'react'
import { Text, FlatList } from 'react-native'
export default class App extends Component {
render() {
return (
<FlatList
// ❌ Un-commit this line to see error
// debug={true}
data={[1, 2, 3, 4, 5, 6]}
renderItem={_ => {
return <Text>123</Text>
}}
keyExtractor={item => item.toString()}
/>
)
}
}
Environment
info
React Native Environment Info:
System:
OS: macOS 10.14.3
CPU: (8) x64 Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz
Memory: 817.49 MB / 16.00 GB
Shell: 5.3 - /bin/zsh
Binaries:
Node: 11.3.0 - /usr/local/bin/node
Yarn: 1.13.0 - /usr/local/bin/yarn
npm: 6.9.0 - /usr/local/bin/npm
Watchman: 4.9.0 - /usr/local/bin/watchman
SDKs:
iOS SDK:
Platforms: iOS 12.1, macOS 10.14, tvOS 12.1, watchOS 5.1
Android SDK:
API Levels: 19, 23, 25, 26, 27, 28
Build Tools: 23.0.1, 23.0.3, 25.0.2, 26.0.2, 27.0.3, 28.0.3
System Images: android-23 | Intel x86 Atom, android-23 | Intel x86 Atom_64, android-23 | Google APIs ARM EABI v7a, android-23 | Google APIs Intel x86 Atom, android-23 | Google APIs Intel x86 Atom_64
IDEs:
Android Studio: 3.3 AI-182.5107.16.33.5264788
Xcode: 10.1/10B61 - /usr/bin/xcodebuild
npmPackages:
react: 16.8.3 => 16.8.3
react-native: 0.59.1 => 0.59.1
npmGlobalPackages:
react-native-cli: 2.0.1
react-native-create-library: 3.1.2
react-native-git-upgrade: 0.2.7
🐛 Bug Report
Get errors when setting

FlatList-debug={true}To Reproduce
Expected Behavior
debug mode work fine
Code Example
Edit the App.js:
Environment
info React Native Environment Info: System: OS: macOS 10.14.3 CPU: (8) x64 Intel(R) Core(TM) i7-4870HQ CPU @ 2.50GHz Memory: 817.49 MB / 16.00 GB Shell: 5.3 - /bin/zsh Binaries: Node: 11.3.0 - /usr/local/bin/node Yarn: 1.13.0 - /usr/local/bin/yarn npm: 6.9.0 - /usr/local/bin/npm Watchman: 4.9.0 - /usr/local/bin/watchman SDKs: iOS SDK: Platforms: iOS 12.1, macOS 10.14, tvOS 12.1, watchOS 5.1 Android SDK: API Levels: 19, 23, 25, 26, 27, 28 Build Tools: 23.0.1, 23.0.3, 25.0.2, 26.0.2, 27.0.3, 28.0.3 System Images: android-23 | Intel x86 Atom, android-23 | Intel x86 Atom_64, android-23 | Google APIs ARM EABI v7a, android-23 | Google APIs Intel x86 Atom, android-23 | Google APIs Intel x86 Atom_64 IDEs: Android Studio: 3.3 AI-182.5107.16.33.5264788 Xcode: 10.1/10B61 - /usr/bin/xcodebuild npmPackages: react: 16.8.3 => 16.8.3 react-native: 0.59.1 => 0.59.1 npmGlobalPackages: react-native-cli: 2.0.1 react-native-create-library: 3.1.2 react-native-git-upgrade: 0.2.7