// Sanity check only, since Package.load already checked as well.
	if len(gofiles) == 0 {
		return &load.NoGoError{Package: p}
	}

	// Prepare Go vet config if needed.
	if need&needVet != 0 {
		buildVetConfig(a, srcfiles)
		need &^= needVet
	}
	if need&needCompiledGoFiles != 0 {
		if err := b.loadCachedCompiledGoFiles(a); err != nil {
			return fmt.Errorf("loading compiled Go files from cache: %w", err)
		}