diff --git a/src/ast/nodes/shared/knownGlobals.ts b/src/ast/nodes/shared/knownGlobals.ts
index b63ea699344..9e115ddd9ae 100644
--- a/src/ast/nodes/shared/knownGlobals.ts
+++ b/src/ast/nodes/shared/knownGlobals.ts
@@ -214,6 +214,7 @@ const knownGlobals: GlobalDescription = {
 		// deoptimizes everything anyway
 		defineProperty: MUTATES_ARG_WITHOUT_ACCESSOR,
 		defineProperties: MUTATES_ARG_WITHOUT_ACCESSOR,
+		freeze: MUTATES_ARG_WITHOUT_ACCESSOR,
 		getOwnPropertyDescriptor: PF,
 		getOwnPropertyNames: PF,
 		getOwnPropertySymbols: PF,
diff --git a/test/form/samples/big-int/_config.js b/test/form/samples/big-int/_config.js
index 6386e7ec26f..2c32390904e 100644
--- a/test/form/samples/big-int/_config.js
+++ b/test/form/samples/big-int/_config.js
@@ -1,4 +1,3 @@
 module.exports = {
-	description: 'supports bigint via acorn plugin',
-	options: {}
+	description: 'supports bigint via acorn plugin'
 };
diff --git a/test/form/samples/object-freeze-effects/_config.js b/test/form/samples/object-freeze-effects/_config.js
new file mode 100644
index 00000000000..4808999695c
--- /dev/null
+++ b/test/form/samples/object-freeze-effects/_config.js
@@ -0,0 +1,3 @@
+module.exports = {
+	description: 'Only treats Object.freeze as a side effect if the argument is used'
+};
diff --git a/test/form/samples/object-freeze-effects/_expected.js b/test/form/samples/object-freeze-effects/_expected.js
new file mode 100644
index 00000000000..32378bba82b
--- /dev/null
+++ b/test/form/samples/object-freeze-effects/_expected.js
@@ -0,0 +1,6 @@
+const b = Object.freeze({ foo: 'bar' });
+console.log(b);
+
+const c = { foo: 'bar' };
+Object.freeze(c); // retained
+console.log(c);
diff --git a/test/form/samples/object-freeze-effects/main.js b/test/form/samples/object-freeze-effects/main.js
new file mode 100644
index 00000000000..023a4fd5dfc
--- /dev/null
+++ b/test/form/samples/object-freeze-effects/main.js
@@ -0,0 +1,11 @@
+Object.freeze({ foo: 'bar' }); // removed
+
+const a = { foo: 'bar' }; // removed
+Object.freeze(a); // removed
+
+const b = Object.freeze({ foo: 'bar' });
+console.log(b);
+
+const c = { foo: 'bar' };
+Object.freeze(c); // retained
+console.log(c);