From 4ba9347554ab1ac79fdaf1d5b3320776a2b10615 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Tue, 24 Dec 2019 18:49:57 +0900
Subject: `Object#=~` warning also obeys `Warning[:deprecated]`

---
 object.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/object.c b/object.c
index 0bb0e0f8e8..61be0d3862 100644
--- a/object.c
+++ b/object.c
@@ -1624,8 +1624,10 @@ rb_false(VALUE obj)
 static VALUE
 rb_obj_match(VALUE obj1, VALUE obj2)
 {
-    rb_warn("deprecated Object#=~ is called on %"PRIsVALUE
-            "; it always returns nil", rb_obj_class(obj1));
+    if (rb_warning_category_enabled_p(RB_WARN_CATEGORY_DEPRECATED)) {
+        rb_warn("deprecated Object#=~ is called on %"PRIsVALUE
+                "; it always returns nil", rb_obj_class(obj1));
+    }
     return Qnil;
 }
 
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