1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/store-typed-element-payload-stack-rhs.js b/js/src/jit-test/tests/cacheir/store-typed-element-payload-stack-rhs.js
new file mode 100644
index 0000000000..dcaa059864
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/store-typed-element-payload-stack-rhs.js
@@ -0,0 +1,20 @@
+// Different typed array types to ensure we emit a SetProp IC.
+var xs = [
+  new Float32Array(10),
+  new Float64Array(10),
+];
+
+function f(ta) {
+  for (var k = 0;;) {
+    // Store with payload-stack rhs.
+    ta[k] = k;
+    break;
+  }
+}
+
+for (var i = 0; i < 100; ++i) {
+  f(xs[i & 1]);
+}
+
+assertEq(xs[0][0], 0);
+assertEq(xs[1][0], 0);