https://git.ruby-lang.org/ruby.git/commit/?id=eb0125957b

From eb0125957b3c32727a7c199f1f3041c1d2b9a475 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Thu, 7 May 2020 01:51:03 +0900
Subject: Share logically equivalent functions


diff --git a/object.c b/object.c
index d3e100d..2a01cbb 100644
--- a/object.c
+++ b/object.c
@@ -1624,13 +1624,7 @@ false_and(VALUE obj, VALUE obj2) https://github.com/ruby/ruby/blob/trunk/object.c#L1624
  *  <code>nil</code> or <code>false</code>; <code>true</code> otherwise.
  */
 
-static VALUE
-false_or(VALUE obj, VALUE obj2)
-{
-    return RTEST(obj2)?Qtrue:Qfalse;
-}
-
-
+#define false_or true_and
 
 /*
  *  call-seq:
@@ -1643,11 +1637,7 @@ false_or(VALUE obj, VALUE obj2) https://github.com/ruby/ruby/blob/trunk/object.c#L1637
  *
  */
 
-static VALUE
-false_xor(VALUE obj, VALUE obj2)
-{
-    return RTEST(obj2)?Qtrue:Qfalse;
-}
+#define false_xor true_and
 
 /*
  * call-seq:
-- 
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