Rename failFast to crashOverlay

Author: Timer

packages/react-dev-utils/failFast.js renamed to packages/react-dev-utils/crashOverlay.js

@@ -14,8 +14,7 @@
     "ansiHTML.js",
     "checkRequiredFiles.js",
     "clearConsole.js",
-    "failFast.css",
-    "failFast.js",
+    "crashOverlay.js",
     "FileSizeReporter.js",
     "formatWebpackMessages.js",
     "getProcessForPort.js",

packages/react-dev-utils/package.json

@@ -58,8 +58,8 @@ module.exports = {
     require.resolve('react-dev-utils/webpackHotDevClient'),
     // We ship a few polyfills by default:
     require.resolve('./polyfills'),
-    // In development, we want to fail fast
-    require.resolve('react-dev-utils/failFast'),
+    // Errors should be considered fatal in development
+    require.resolve('react-dev-utils/crashOverlay'),
     // Finally, this is your app's code:
     paths.appIndexJs
     // We include the app code last so that if there is a runtime error during