1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1186271.js b/js/src/jit-test/tests/ion/bug1186271.js
new file mode 100644
index 0000000000..2e1513abb2
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1186271.js
@@ -0,0 +1,18 @@
+function f(x) {
+    return Math.imul(1, x >>> 0) / 9 | 0;
+}
+function g(x) {
+    return 1 * (x >>> 0) / 9 | 0;
+}
+function h(x) {
+    return (x >>> 0) / 9 | 0;
+}
+
+assertEq(0, f(4294967296));
+assertEq(-238609294, f(2147483648));
+
+assertEq(0, g(4294967296));
+assertEq(238609294, g(2147483648));
+
+assertEq(0, h(4294967296));
+assertEq(238609294, h(2147483648));