2 files changed, 26 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/arguments/bug1892699-1.js b/js/src/jit-test/tests/arguments/bug1892699-1.js
new file mode 100644
index 0000000000..9804f26a13
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/bug1892699-1.js
@@ -0,0 +1,10 @@
+function* a(x, y, z) {
+    if (arguments.length !== 3) {
+        throw "Wrong output";
+    }
+    yield x;
+    yield y;
+    yield z;
+}
+const x = a(3, 4, 5);
+x.next();
diff --git a/js/src/jit-test/tests/arguments/bug1892699.js b/js/src/jit-test/tests/arguments/bug1892699.js
new file mode 100644
index 0000000000..d01ab67b1e
--- /dev/null
+++ b/js/src/jit-test/tests/arguments/bug1892699.js
@@ -0,0 +1,16 @@
+async function a(x, y, z) {
+    if (arguments.length !== 3) {
+        throw "Wrong output";
+    }
+    await x;
+    if (arguments.length !== 3) {
+        throw "Wrong output";
+    }
+    await y;
+    if (arguments.length !== 3) {
+        throw "Wrong output";
+    }
+    await z;
+}
+const p = a(3, 4, 5);
+p.then(() => { assertEq(true, true) })