From 47328ad217ecaf240f0faedac89723dcd6a917ac Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 16 Dec 2020 21:01:45 +0900
Subject: Ripper: Fixed erred token on wrong alias [Bug #17345]

---
 parse.y | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index 185e843441..9933fcfa49 100644
--- a/parse.y
+++ b/parse.y
@@ -607,6 +607,7 @@ static ID ripper_get_id(VALUE);
 static VALUE ripper_get_value(VALUE);
 #define get_value(val) ripper_get_value(val)
 #define get_num(num) (int)get_id(num)
+#define get_cval(val) RNODE(val)->nd_cval
 static VALUE assignable(struct parser_params*,VALUE);
 static int id_is_var(struct parser_params *p, ID id);
 
@@ -1461,7 +1462,7 @@ stmt		: keyword_alias fitem {SET_LEX_STATE(EXPR_FNAME|EXPR_FITEM);} fitem
 			yyerror1(&@3, mesg);
 			$$ = NEW_BEGIN(0, &@$);
 		    /*% %*/
-		    /*% ripper[error]: alias_error!(ERR_MESG(), var_alias!($2, $3)) %*/
+		    /*% ripper[error]: alias_error!(ERR_MESG(), get_cval($3)) %*/
 		    }
 		| keyword_undef undef_list
 		    {
-- 
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