diff --git a/LayoutTests/js/regress/script-tests/sink-huge-activation.js b/LayoutTests/js/regress/script-tests/sink-huge-activation.js
new file mode 100644
index 0000000..c6c66ad
--- /dev/null
+++ b/LayoutTests/js/regress/script-tests/sink-huge-activation.js
@@ -0,0 +1,41 @@
+function bar() { }
+
+function foo(alpha) {
+    var x0 = 0;
+    var x1 = 0;
+    var x2 = 0;
+    var x3 = 0;
+    var x4 = 0;
+    var x5 = 0;
+    var x6 = 0;
+    var x7 = 0;
+    var x8 = 0;
+    var x9 = 0;
+    var x10 = 0;
+    var x11 = 0;
+    var x12 = 0;
+    var x13 = 0;
+    var x14 = 0;
+    var x15 = 0;
+    var x16 = 0;
+    var x17 = 0;
+    var x18 = 0;
+    var x19 = 0;
+    if (alpha) {
+        bar(function () {
+                return (x0 + x1 + x2 + x3 + x4 + x5 + x6 + x7 + x8 + x9 + x10 +
+                        x11 + x12 + x13 + x14 + x15 + x16 + x17 + x18 + x19);
+                });
+        return x17;
+    }
+    return x12;
+}
+
+noInline(bar);
+noInline(foo);
+
+for (var i = 0; i < 1000000; i++) {
+    var result = foo(!(i % 1000));
+    if (result !== 0)
+        throw "Error: expected undefined, got " + result;
+}