1 files changed, 11 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1528818.js b/js/src/jit-test/tests/ion/bug1528818.js
new file mode 100644
index 0000000000..3a49e3f468
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1528818.js
@@ -0,0 +1,11 @@
+function getarg(x) {
+    return arguments[x]
+}
+function f() {
+    var r = 0n;
+    for (var i=0;i<2000;++i) {
+        r += getarg(1+(i & 1), BigInt(0), 1n);
+    }
+    return r;
+}
+for (var i=0;i<2;++i) print(f())