expression.returnedExpression?.accept(this)
                }

                override fun visitComment(comment: PsiComment) {
                    // Skip such comments so that test become idempotent
                    if (comment.text.matches(commentRegex)) return
                    super.visitComment(comment)
                }
            })
        }
        if (actual != original) {

		comment, _, ok = bytes.Cut(data[2:], starSlash)
		if !ok {
			// malformed comment
			return "", 0
		}
		if bytes.Contains(comment, newline) {
			return "", 0
		}
	}
	comment = bytes.TrimSpace(comment)

	// split comment into `import`, `"pkg"`
	word, arg := parseWord(comment)
	if string(word) != "import" {
		return "", 0
	}

	line = 1 + bytes.Count(data[:cap(data)-cap(arg)], newline)

	}
	if p.comments == nil {
		// initialize p.comments lazily
		p.comments = make([]*ast.CommentGroup, 1)
	} else if p.cindex < len(p.comments) {
		// for some reason there are pending comments; this
		// should never happen - handle gracefully and flush
		// all comments up to g, ignore anything after that
		p.flush(p.posFor(g.List[0].Pos()), token.ILLEGAL)
		p.comments = p.comments[0:1]
		// in debug mode, report error

		{"//\n//\n\t// want this one\r\n", comment{2, 1, "// want this one\r"}},
		{"\n\n//\n", comment{2, 0, "//"}},
		{"//", comment{0, 0, "//"}},

		/*-style comments */
		{"123/* regular comment */", comment{0, 3, "/* regular comment */"}},
		{"package p /* regular comment", comment{0, 0, ""}},
		{"\n\n\n/*\n*//* want this one */", comment{4, 2, "/* want this one */"}},
		{"\n\n/**/", comment{2, 0, "/**/"}},

	if pt := p.PeriodType; pt != nil {
		pt.typeX = addString(strings, pt.Type)
		pt.unitX = addString(strings, pt.Unit)
	}

	p.commentX = nil
	for _, c := range p.Comments {
		p.commentX = append(p.commentX, addString(strings, c))
	}

	p.defaultSampleTypeX = addString(strings, p.DefaultSampleType)

	p.stringTable = make([]string, len(strings))
	for s, i := range strings {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// The gccgo lexer had a bug handling nested comments.
// http://gcc.gnu.org/PR61746
// http://code.google.com/p/gofrontend/issues/detail?id=35

package main

/*// comment

	}
	if f.Go == nil {
		stmt := &Line{Token: []string{"go", version}}
		f.Go = &Go{
			Version: version,
			Syntax:  stmt,
		}
		// Find the first non-comment-only block and add
		// the go statement before it. That will keep file comments at the top.
		i := 0
		for i = 0; i < len(f.Syntax.Stmt); i++ {
			if _, ok := f.Syntax.Stmt[i].(*CommentBlock); !ok {
				break
			}
		}

	var prev token.Pos // position of last non-comment, non-semicolon token
	var here token.Pos // position immediately after the token at position prev

	for {
		pos, tok, lit := s.Scan()
		switch tok {
		case token.EOF:
			return errors
		case token.COMMENT:
			s := errRx.FindStringSubmatch(lit)
			if len(s) == 3 {
				if s[1] == "HERE" {
					pos = here // start of comment
				} else if s[1] == "AFTER" {

		t.Fatal(err)
	}

	for _, file := range files {
		for _, group := range file.Comments {
			for _, comment := range group.List {
				s := comment.Text
				if len(s) >= 4 && s[:2] == "/*" && s[len(s)-2:] == "*/" {
					str, typ := split(s[2:len(s)-2], ", ")
					str, val := split(str, "=>")
					testEval(t, fset, pkg, comment.Pos(), str, nil, typ, val)
				}
			}
		}
	}
}

	endline = p.file.Line(p.pos)
	for p.tok == token.COMMENT && endline+1 >= p.file.Line(p.pos) {
		var comment *ast.Comment
		comment, endline = p.consumeComment()
		list = append(list, comment)
	}

	// add comment group to the comments list
	comments = &ast.CommentGroup{list}
	p.comments = append(p.comments, comments)

	return
}

// Advance to the next non-comment token. In the process, collect