1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/fields/private-right-side-1.js b/js/src/jit-test/tests/fields/private-right-side-1.js
new file mode 100644
index 0000000000..5be84db09d
--- /dev/null
+++ b/js/src/jit-test/tests/fields/private-right-side-1.js
@@ -0,0 +1,18 @@
+let hit = false;
+
+function f() {
+  hit = true;
+}
+
+class C {
+  #f = 1;
+  static m(x) {
+    x.#f = f();  // f() should be called before the brand check for x.#f
+  }
+}
+
+try {
+  C.m({});  // throws a TypeError
+} catch { }
+
+assertEq(hit, true);