parse.y: fix literal symbol list node type

* parse.y (symbol_list): fix the node type of literal symbol list
  with no interpolation.  [ruby-core:66343]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48484 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 1 deletions

diff --git a/parse.y b/parse.y
index 861ff4945a..d8a07d06bf 100644
--- a/parse.y
+++ b/parse.y
@@ -4068,7 +4068,13 @@ symbol_list	: /* none */
 		    {
 		    /*%%%*/
 			$2 = evstr2dstr($2);
-			nd_set_type($2, NODE_DSYM);
+			if (nd_type($2) == NODE_DSTR) {
+			    nd_set_type($2, NODE_DSYM);
+			}
+			else {
+			    nd_set_type($2, NODE_LIT);
+			    $2->nd_lit = rb_str_intern($2->nd_lit);
+			}
 			$$ = list_append($1, $2);
 		    /*%
 			$$ = dispatch2(symbols_add, $1, $2);