go/printer: remove unused comment parameter

Found by github.com/mvdan/unparam.

Change-Id: I5b0c7cfdc1ab4fe0d79ef4c5a31612bbcf2ff3ad
Reviewed-on: https://go-review.googlesource.com/37833
Reviewed-by: Robert Griesemer <gri@golang.org>
Run-TryBot: Robert Griesemer <gri@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

diff --git a/src/go/printer/printer.go b/src/go/printer/printer.go
index be61dad590eea02012364ae32c9c602d256f9c11..eb1c72c76c02fe5cc58dfa2604459ca91c2afaf2 100644 (file)
--- a/src/go/printer/printer.go
+++ b/src/go/printer/printer.go
@@ -325,7 +325,7 @@ func (p *printer) writeString(pos token.Position, s string, isLit bool) {
 // after all pending comments, prev is the previous comment in
 // a group of comments (or nil), and tok is the next token.
 //
-func (p *printer) writeCommentPrefix(pos, next token.Position, prev, comment *ast.Comment, tok token.Token) {
+func (p *printer) writeCommentPrefix(pos, next token.Position, prev *ast.Comment, tok token.Token) {
        if len(p.output) == 0 {
                // the comment is the first item to be printed - don't write any whitespace
                return
@@ -733,7 +733,7 @@ func (p *printer) intersperseComments(next token.Position, tok token.Token) (wro
        var last *ast.Comment
        for p.commentBefore(next) {
                for _, c := range p.comment.List {
-                       p.writeCommentPrefix(p.posFor(c.Pos()), next, last, c, tok)
+                       p.writeCommentPrefix(p.posFor(c.Pos()), next, last, tok)
                        p.writeComment(c)
                        last = c
                }