node.c: update comment

* node.c (dump_node): update comment for OP_ASGN2 and fix unused
  field.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52116 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 6 deletions

diff --git a/node.c b/node.c
index 8e99969730..db9aa775f3 100644
--- a/node.c
+++ b/node.c
@@ -354,14 +354,10 @@ dump_node(VALUE buf, VALUE indent, int comment, NODE *node)
       case NODE_OP_ASGN2:
 	ANN("attr assignment with operator");
 	ANN("format: [nd_value].[attr] [nd_next->nd_mid]= [nd_value]");
-	ANN("          where [attr] reader: [nd_next->nd_vid]");
-	ANN("                [attr] writer: [nd_next->nd_aid]");
+	ANN("          where [attr]: [nd_next->nd_vid]");
 	ANN("example: struct.field += foo");
 	F_NODE(nd_recv, "receiver");
-	F_CUSTOM1(nd_next->nd_vid, "attr") {
-	    if (node->nd_next->nd_aid) A("? ");
-	    A_ID(node->nd_next->nd_vid);
-	}
+	F_ID(nd_next->nd_vid, "attr");
 	F_CUSTOM1(nd_next->nd_mid, "operator") {
 	    switch (node->nd_next->nd_mid) {
 	      case 0: A("0 (||)"); break;