From 7424c98dc759a905d1a025cce028c0a37d425e50 Mon Sep 17 00:00:00 2001
From: Anna Henningsen <anna@addaleax.net>
Date: Tue, 25 Oct 2016 22:13:24 +0200
Subject: [PATCH] lib: make `String(global) === '[object global]'`

This inadvertently changed to `[object Object]` with the V8 upgrade
in 8a24728...96933df. Use `Symbol.toStringTag` to undo this
particular change.

Fixes: https://github.com/nodejs/node/issues/9274
---
 lib/internal/bootstrap_node.js | 6 ++++++
 test/parallel/test-global.js   | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/lib/internal/bootstrap_node.js b/lib/internal/bootstrap_node.js
index 8db79aa33fb32a..c8adb39e6b7b26 100644
--- a/lib/internal/bootstrap_node.js
+++ b/lib/internal/bootstrap_node.js
@@ -188,6 +188,12 @@
   }
 
   function setupGlobalVariables() {
+    Object.defineProperty(global, Symbol.toStringTag, {
+      value: 'global',
+      writable: false,
+      enumerable: false,
+      configurable: true
+    });
     global.process = process;
     const util = NativeModule.require('util');
 
diff --git a/test/parallel/test-global.js b/test/parallel/test-global.js
index 1bf1bd7cd69303..270faf1b7768a6 100644
--- a/test/parallel/test-global.js
+++ b/test/parallel/test-global.js
@@ -21,3 +21,5 @@ const fooBar = module.fooBar;
 assert.strictEqual('foo', fooBar.foo, 'x -> global.x in sub level not working');
 
 assert.strictEqual('bar', fooBar.bar, 'global.x -> x in sub level not working');
+
+assert.strictEqual(Object.prototype.toString.call(global), '[object global]');