}
				slotsSeen[node.FrameOffset()] = node
			}
			typebits.Set(node.Type(), node.FrameOffset()+lv.stkptrsize, locals)
		}
	}
}

// IsUnsafe indicates that all points in this function are
// unsafe-points.
func IsUnsafe(f *ssa.Func) bool {
	// The runtime assumes the only safe-points are function
	// prologues (because that's how it used to be). We could and