l = l1
				break
			}
		}
	}

	// If that failed, allocate a new logger.
	if l == nil {
		// Use sysAllocOS instead of sysAlloc because we want to interfere
		// with the runtime as little as possible, and sysAlloc updates accounting.
		l = (*dlogger)(sysAllocOS(unsafe.Sizeof(dlogger{})))
		if l == nil {
			throw("failed to allocate debug log")
		}
		l.w.r.data = &l.w.data
		l.owned.Store(1)