diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/testIfEqX.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/testIfEqX.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+// Tests for IFEQX and GOTOX ops.
+function testIfElse() {
+    var src =
+        "var a = 0;\n" +
+        "if (x) {\n";
+    for (var i=0; i<7000; i++) {
+        src += "a = 1;";
+    }
+    src += "} else {\n";
+    for (var i=0; i<7000; i++) {
+        src += "a = 2;";
+    }
+    src += "}\n";
+    src += "return a;";
+
+    var f = new Function("x", src);
+    assertEq(f(true), 1);
+    assertEq(f(false), 2);
+    assertEq(f([1, 2, 3]), 1);
+    assertEq(f(), 2);
+}
+testIfElse();
+
+function testWhile() {
+    var src =
+        "var i = 0, j = 0;\n" +
+        "while (i++ < 50) {\n";
+    for (var i=0; i<5000; i++) {
+        src += "j = i;";
+    }
+    src += "}\n";
+    src += "return j;";
+
+    var f = new Function(src);
+    assertEq(f(), 50);
+}
+testWhile();