diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/callgname.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/callgname.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,43 @@
+function g1(x) {
+    return x + 1;
+}
+function f1() {
+    var y = 0;
+    for (var i=0; i<100; i++) {
+        y += g1(g1(i));
+    }
+    return y;
+}
+g1(10);
+assertEq(f1(), 5150);
+
+x = 1;
+other = newGlobal("same-compartment");
+other.eval("f = function() { return x; }; x = 2;");
+
+h = other.f;
+
+function testOtherGlobal() {
+    var y = 0;
+    for (var i=0; i<100; i++) {
+        y += h();
+    }
+    return y;
+}
+h();
+assertEq(testOtherGlobal(), 200);
+
+// Note: this test requires on On-Stack Invalidation.
+f2 = function() {
+    return x;
+}
+function test2() {
+    var y = 0;
+    for (var i=0; i<50; i++) {
+        y += f2();
+    }
+    return y;
+}
+assertEq(test2(), 50);
+f2 = h;
+assertEq(test2(), 100);