From 6ca9e7cc0785c33f6d382176dbd79d6c91db72fe Mon Sep 17 00:00:00 2001
From: Seiei Miyagi <hanachin@gmail.com>
Date: Tue, 23 Apr 2019 00:21:50 +0900
Subject: Disallow numbered parameter as the default value of optional argument

[Fix GH-2139] [Bug #15783]
---
 parse.y | 1 +
 1 file changed, 1 insertion(+)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index a97c01d69a..553f085937 100644
--- a/parse.y
+++ b/parse.y
@@ -4735,6 +4735,7 @@ f_norm_arg	: f_bad_arg
 		| tIDENTIFIER
 		    {
 			formal_argument(p, get_id($1));
+			p->max_numparam = -1;
 			$$ = $1;
 		    }
 		;
-- 
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