diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug619433-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug619433-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,22 @@
+
+/* Test compiling JSOP_STRICTEQ on known doubles. */
+
+function foo(x) {
+  return x === x;
+}
+
+for (var i = 0; i < 20; i++) {
+  assertEq(foo(1.2), true);
+  assertEq(foo(NaN), false);
+}
+
+function bar(x) {
+  if (x === x)
+    return true;
+  return false;
+}
+
+for (var i = 0; i < 20; i++) {
+  assertEq(bar(1.2), true);
+  assertEq(bar(NaN), false);
+}