1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/inline-arguments-index-constant-exists.js b/js/src/jit-test/tests/arguments/inline-arguments-index-constant-exists.js
new file mode 100644
index 0000000000..f6f90c63a2
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/inline-arguments-index-constant-exists.js
@@ -0,0 +1,40 @@
+// |jit-test| --fast-warmup
+
+function inner() {
+    return 1 in arguments;
+}
+
+function outer0() {
+    trialInline();
+    return inner();
+}
+
+function outer1() {
+    trialInline();
+    return inner(1);
+}
+
+function outer2() {
+    trialInline();
+    return inner(1, 2);
+}
+
+function outer3() {
+    trialInline();
+    return inner(1,2,3)
+}
+
+function outer4() {
+    trialInline();
+    return inner(1,2,3,4)
+}
+
+with ({}) {}
+
+for (var i = 0; i < 50; i++) {
+    assertEq(outer0(), false);
+    assertEq(outer1(), false);
+    assertEq(outer2(), true);
+    assertEq(outer3(), true);
+    assertEq(outer4(), true);
+}