1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testIntUnderflow.js b/js/src/jit-test/tests/basic/testIntUnderflow.js
new file mode 100644
index 000000000..65db00a0a
--- /dev/null
+++ b/js/src/jit-test/tests/basic/testIntUnderflow.js
@@ -0,0 +1,9 @@
+function testIntUnderflow() {
+    // int32_min + 8
+    var ival = -2147483648 + 8;
+    for (var i = 0; i < 30; i++) {
+        ival -= 2;
+    }
+    return (ival > -2147483648);
+}
+assertEq(testIntUnderflow(), false);