1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/non262/expressions/short-circuit-compound-assignment-anon-fns.js b/js/src/tests/non262/expressions/short-circuit-compound-assignment-anon-fns.js
new file mode 100644
index 0000000000..406f143ead
--- /dev/null
+++ b/js/src/tests/non262/expressions/short-circuit-compound-assignment-anon-fns.js
@@ -0,0 +1,42 @@
+// NamedEvaluation applies to short-circuit assignment.
+
+{
+  let a;
+  a ??= function(){};
+  assertEq(a.name, "a");
+}
+
+{
+  let a = false;
+  a ||= function(){};
+  assertEq(a.name, "a");
+}
+
+{
+  let a = true;
+  a &&= function(){};
+  assertEq(a.name, "a");
+}
+
+// No name assignments for parenthesised left-hand sides.
+
+{
+  let a;
+  (a) ??= function(){};
+  assertEq(a.name, "");
+}
+
+{
+  let a = false;
+  (a) ||= function(){};
+  assertEq(a.name, "");
+}
+
+{
+  let a = true;
+  (a) &&= function(){};
+  assertEq(a.name, "");
+}
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0);