From 069cca6f7459da5cc502d0c51f60a9813c611b31 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 1 Jan 2022 15:41:00 +0900
Subject: Negative RBOOL usage

---
 proc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'proc.c')

diff --git a/proc.c b/proc.c
index 6cdd7bd836..ab6cce8fb8 100644
--- a/proc.c
+++ b/proc.c
@@ -1604,7 +1604,7 @@ respond_to_missing_p(VALUE klass, VALUE obj, VALUE sym, int scope)
 
     if (obj == Qundef) return 0;
     if (rb_method_basic_definition_p(klass, rmiss)) return 0;
-    return RTEST(rb_funcall(obj, rmiss, 2, sym, scope ? Qfalse : Qtrue));
+    return RTEST(rb_funcall(obj, rmiss, 2, sym, RBOOL(!scope)));
 }
 
 
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