From ac123f167a364c3d7a43eca78d564e41f6dbb91e Mon Sep 17 00:00:00 2001
From: Jean Boussier <byroot@ruby-lang.org>
Date: Thu, 13 Apr 2023 12:11:14 +0200
Subject: Emit a performance warning when a class reached max variations

[Feature #19538]

This new `peformance` warning category is disabled by default.
It needs to be specifically enabled via `-W:performance` or `Warning[:performance] = true`
---
 include/ruby/internal/error.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include/ruby')

diff --git a/include/ruby/internal/error.h b/include/ruby/internal/error.h
index b30c231ac1..8ebf7cd2ab 100644
--- a/include/ruby/internal/error.h
+++ b/include/ruby/internal/error.h
@@ -50,6 +50,9 @@ typedef enum {
     /** Warning is for experimental features. */
     RB_WARN_CATEGORY_EXPERIMENTAL,
 
+    /** Warning is for performance issues (not enabled by -w). */
+    RB_WARN_CATEGORY_PERFORMANCE,
+
     RB_WARN_CATEGORY_ALL_BITS = (
         (1U << RB_WARN_CATEGORY_DEPRECATED) |
         (1U << RB_WARN_CATEGORY_EXPERIMENTAL) |
-- 
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