From b76f9291f7c3f1c3b12b76e90a09a0b3260ea4f1 Mon Sep 17 00:00:00 2001
From: Denis Pushkarev <zloirock@zloirock.ru>
Date: Tue, 20 Apr 2021 20:23:12 +0700
Subject: [PATCH] fix a possible `RegExp` constructor problem with multiple
 global `core-js` instances

---
 CHANGELOG.md                                      | 2 +-
 packages/core-js/modules/es.regexp.constructor.js | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58d49715f59e..1760f0b73bad 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## Changelog
 ##### Unreleased
-- Nothing
+- Fixed a possible `RegExp` constructor problem with multiple global `core-js` instances
 
 ##### 3.10.2 - 2021.04.19
 - `URL` and `URLSearchParams` marked as supported from Safari 14.0
diff --git a/packages/core-js/modules/es.regexp.constructor.js b/packages/core-js/modules/es.regexp.constructor.js
index ec40de9162aa..03389c5bad24 100644
--- a/packages/core-js/modules/es.regexp.constructor.js
+++ b/packages/core-js/modules/es.regexp.constructor.js
@@ -9,7 +9,7 @@ var getFlags = require('../internals/regexp-flags');
 var stickyHelpers = require('../internals/regexp-sticky-helpers');
 var redefine = require('../internals/redefine');
 var fails = require('../internals/fails');
-var setInternalState = require('../internals/internal-state').set;
+var enforceInternalState = require('../internals/internal-state').enforce;
 var setSpecies = require('../internals/set-species');
 var wellKnownSymbol = require('../internals/well-known-symbol');
 
@@ -61,7 +61,10 @@ if (FORCED) {
       RegExpWrapper
     );
 
-    if (UNSUPPORTED_Y && sticky) setInternalState(result, { sticky: sticky });
+    if (UNSUPPORTED_Y && sticky) {
+      var state = enforceInternalState(result);
+      state.sticky = true;
+    }
 
     return result;
   };