michael@0: 
michael@0: (function f(i) {
michael@0:   // Add an OSR block which does not define the callee.
michael@0:   for (; false; ) {};
michael@0: 
michael@0:   // Use the callee.
michael@0:   if (i)
michael@0:     f(i - 1);
michael@0: })(50);