1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/rest-underflow.js b/js/src/jit-test/tests/arguments/rest-underflow.js
new file mode 100644
index 0000000000..bb9b39c50b
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/rest-underflow.js
@@ -0,0 +1,9 @@
+function f(a, b, c, ...rest) {
+    assertEq(a, 1);
+    assertEq(b, undefined);
+    assertEq(c, undefined);
+    assertEq(Array.isArray(rest), true);
+    assertEq(rest.length, 0);
+    assertEq(Object.getPrototypeOf(rest), Array.prototype);
+}
+f(1);