fmt.Printf(" -> %s\n", sc.symName(edge.target))
			}
		}
	}

	return h
}

// computeHeight returns the stack height of sym. If graph is true, it
// also returns the out-edges of sym.
//
// Caching is applied to this in check. Call check instead of calling
// this directly.
func (sc *stackCheck) computeHeight(sym loader.Sym, graph bool) (int, []stackCheckEdge) {
	ldr := sc.ldr

	// Check special cases.