From 0ee93e56174c8b8b265cae4448b17f925d0e6840 Mon Sep 17 00:00:00 2001
From: Dan Connolly <dckc@madmode.com>
Date: Sat, 27 Feb 2021 13:28:59 -0600
Subject: [PATCH] fix(bundleSource): patch acorn with defineProperty to avoid
 override (#2549)

---
 patches/acorn+7.1.1.patch | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 patches/acorn+7.1.1.patch

diff --git a/patches/acorn+7.1.1.patch b/patches/acorn+7.1.1.patch
new file mode 100644
index 00000000000..8fd6d5846b3
--- /dev/null
+++ b/patches/acorn+7.1.1.patch
@@ -0,0 +1,13 @@
+diff --git a/node_modules/acorn/dist/acorn.js b/node_modules/acorn/dist/acorn.js
+index e2b3317..bc1c4d3 100644
+--- a/node_modules/acorn/dist/acorn.js
++++ b/node_modules/acorn/dist/acorn.js
+@@ -1811,7 +1811,7 @@
+       if (checkClashes) {
+         if (has(checkClashes, expr.name))
+           { this.raiseRecoverable(expr.start, "Argument name clash"); }
+-        checkClashes[expr.name] = true;
++        Object.defineProperty(checkClashes, expr.name, { configurable: true, enumerable: true, value: true });
+       }
+       if (bindingType !== BIND_NONE && bindingType !== BIND_OUTSIDE) { this.declareName(expr.name, bindingType, expr.start); }
+       break