// very first token (!p.pos.IsValid()) is not initialized
	// (it is token.ILLEGAL), so don't print it.
	if p.trace && p.pos.IsValid() {
		s := p.tok.String()
		switch {
		case p.tok.IsLiteral():
			p.printTrace(s, p.lit)
		case p.tok.IsOperator(), p.tok.IsKeyword():
			p.printTrace("\"" + s + "\"")
		default:
			p.printTrace(s)
		}
	}

	for {
		p.pos, p.tok, p.lit = p.scanner.Scan()

	// very first token (!p.pos.IsValid()) is not initialized
	// (it is token.ILLEGAL), so don't print it.
	if p.trace && p.pos.IsValid() {
		s := p.tok.String()
		switch {
		case p.tok.IsLiteral():
			p.printTrace(s, p.lit)
		case p.tok.IsOperator(), p.tok.IsKeyword():
			p.printTrace("\"" + s + "\"")
		default:
			p.printTrace(s)
		}
	}

	p.pos, p.tok, p.lit = p.scanner.Scan()
}

				// the loader iterations.
				m.Pkgs = m.Pkgs[:0]
				for _, dir := range m.Dirs {
					pkg, err := resolveLocalPackage(ctx, dir, rs)
					if err != nil {
						if !m.IsLiteral() && (err == errPkgIsBuiltin || err == errPkgIsGorootSrc) {
							continue // Don't include "builtin" or GOROOT/src in wildcard patterns.
						}

						// If we're outside of a module, ensure that the failure mode