1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/inline-arguments-formals.js b/js/src/jit-test/tests/arguments/inline-arguments-formals.js
new file mode 100644
index 0000000000..8b081999b6
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/inline-arguments-formals.js
@@ -0,0 +1,37 @@
+// |jit-test| --fast-warmup
+
+var dummy;
+
+function inner(x,y) {
+    dummy = arguments.length;
+    return y;
+}
+
+function outer0() {
+    trialInline();
+    return inner();
+}
+
+function outer1() {
+    trialInline();
+    return inner(0);
+}
+
+function outer2() {
+    trialInline();
+    return inner(0, 1);
+}
+
+function outer3() {
+    trialInline();
+    return inner(0,1,2);
+}
+
+with ({}) {}
+
+for (var i = 0; i < 50; i++) {
+    assertEq(outer0(), undefined);
+    assertEq(outer1(), undefined);
+    assertEq(outer2(), 1);
+    assertEq(outer3(), 1);
+}