1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/jaeger/optimize-globals-2.js b/js/src/jit-test/tests/jaeger/optimize-globals-2.js
new file mode 100644
index 0000000000..2e01cdcb04
--- /dev/null
+++ b/js/src/jit-test/tests/jaeger/optimize-globals-2.js
@@ -0,0 +1,20 @@
+
+function testNaN(x) {
+    var x = NaN;
+    assertEq(isNaN(x), true);
+}
+testNaN();
+
+function testInfinity(x) {
+    return (x === Infinity);
+}
+assertEq(testInfinity(Infinity), true);
+assertEq(testInfinity(6), false);
+assertEq(testInfinity(-Infinity), false);
+
+function testUndefined(x) {
+    return (x === undefined);
+}
+assertEq(testUndefined(undefined), true);
+assertEq(testUndefined(), true);
+assertEq(testUndefined(5), false);