1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/spread-call-rest-lookup.js b/js/src/jit-test/tests/basic/spread-call-rest-lookup.js
new file mode 100644
index 0000000000..d57d65e48b
--- /dev/null
+++ b/js/src/jit-test/tests/basic/spread-call-rest-lookup.js
@@ -0,0 +1,14 @@
+var count = 0;
+var scope = {
+  get args() {
+    count++;
+    return "";
+  }
+};
+
+with (scope) {
+  [].push(...args);
+}
+
+// Ensure |args| is only looked up once.
+assertEq(count, 1);