From 5aa8320db50de098d7afd541aaaf89d86bd0c82f Mon Sep 17 00:00:00 2001
From: Denis Pushkarev <zloirock@zloirock.ru>
Date: Thu, 29 Jul 2021 05:14:07 +0700
Subject: [PATCH] properly detect v8 version in Deno for prevent
 deoptimizations

---
 packages/core-js/internals/engine-v8-version.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/core-js/internals/engine-v8-version.js b/packages/core-js/internals/engine-v8-version.js
index fd915aa69af3..59d6f04f449b 100644
--- a/packages/core-js/internals/engine-v8-version.js
+++ b/packages/core-js/internals/engine-v8-version.js
@@ -2,7 +2,8 @@ var global = require('../internals/global');
 var userAgent = require('../internals/engine-user-agent');
 
 var process = global.process;
-var versions = process && process.versions;
+var Deno = global.Deno;
+var versions = process && process.versions || Deno && Deno.version;
 var v8 = versions && versions.v8;
 var match, version;