parse.y: fix memory leak

* parse.y (parser_free): fix memory leak at syntax error when
  warn-indent is enabled.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51981 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/parse.y b/parse.y
index 38153e9ac1..a697834fd7 100644
--- a/parse.y
+++ b/parse.y
@@ -10630,6 +10630,15 @@ parser_free(void *ptr)
 	prev = local->prev;
 	xfree(local);
     }
+#ifndef RIPPER
+    {
+	token_info *ptinfo;
+	while ((ptinfo = parser->token_info) != 0) {
+	    parser->token_info = ptinfo->next;
+	    xfree(ptinfo);
+	}
+    }
+#endif
     xfree(ptr);
 }