From fdfb43b2b129afb78c352c95776118eeceb245a2 Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@atdot.net>
Date: Mon, 13 Dec 2021 02:02:41 +0900
Subject: fix Struct's setter arity

https://github.com/ruby/ruby/pull/5131/files#diff-b2553d23e6b1fe76e20608d06c25f6acca06279100f1a9c24febcd79a82fac3cR2689
---
 proc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'proc.c')

diff --git a/proc.c b/proc.c
index d0451244ce..cff8e9e7af 100644
--- a/proc.c
+++ b/proc.c
@@ -2684,7 +2684,7 @@ method_def_min_max_arity(const rb_method_definition_t *def, int *max)
             return 0;
           case OPTIMIZED_METHOD_TYPE_STRUCT_ASET:
             *max = 1;
-            return 0;
+            return 1;
 	  default:
 	    break;
 	}
-- 
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