1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/ConvertElementsToDouble-Int32.js b/js/src/jit-test/tests/ion/ConvertElementsToDouble-Int32.js
new file mode 100644
index 0000000000..bb3390416e
--- /dev/null
+++ b/js/src/jit-test/tests/ion/ConvertElementsToDouble-Int32.js
@@ -0,0 +1,9 @@
+// Bug 1312488
+
+function test(a) {
+    let x = 0;
+    for (let i = 0, len = a.length; i < len; i++)
+        x += a[i];
+    return x;
+}
+assertEq(test([10.1, 10.2, 10.3, 10.4, 10]), 51);