update: add blackbox by default

examples/internal-modules.js

@@ -0,0 +1,5 @@
+'use strict';
+
+const fs = require('fs');
+
+fs.readFile(__filename, function () {});

lib/internal/inspect_repl.js

@@ -1065,7 +1065,7 @@ function createRepl(inspector) {
       Debugger.enable(),
       Debugger.setPauseOnExceptions({ state: 'none' }),
       Debugger.setAsyncCallStackDepth({ maxDepth: 0 }),
-      Debugger.setBlackboxPatterns({ patterns: [] }),
+      Debugger.setBlackboxPatterns({ patterns: ['^node:'] }),
       Debugger.setPauseOnExceptions({ state: pauseOnExceptionState }),
       restoreBreakpoints(),
       Runtime.runIfWaitingForDebugger(),

test/cli/blackbox.test.js

@@ -0,0 +1,27 @@
+'use strict';
+
+const Path = require('path');
+
+const { test } = require('tap');
+
+const startCLI = require('./start-cli');
+
+test('breakpoint inside node internal module', (t) => {
+  const script = Path.join('examples', 'internal-modules.js');
+  const cli = startCLI([script]);
+
+  function onFatal(error) {
+    cli.quit();
+    throw error;
+  }
+
+  return cli.waitForInitialBreak()
+    .then(() => cli.waitForPrompt())
+    .then(() => cli.stepCommand('n'))
+    .then(() => cli.stepCommand('s'))
+    .then(() => {
+      t.notMatch(cli.breakInfo.filename, /^node:/);
+    })
+    .then(() => cli.quit())
+    .then(null, onFatal);
+});