From 940f2e7f1893af17be6e35ef8f7ad09949a12709 Mon Sep 17 00:00:00 2001
From: Jean Boussier <byroot@ruby-lang.org>
Date: Fri, 17 Nov 2023 13:40:37 +0100
Subject: [PATCH] size_pool_idx_for_size: Include debugging info in error
 message

We ran into that case on our CI, including some sizes would help
debug it much easier.
---
 gc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gc.c b/gc.c
index 7710fec7d4..de0b9bf79e 100644
--- a/gc.c
+++ b/gc.c
@@ -2769,7 +2769,7 @@ size_pool_idx_for_size(size_t size)
     size_t size_pool_idx = 64 - nlz_int64(slot_count - 1);
 
     if (size_pool_idx >= SIZE_POOL_COUNT) {
-        rb_bug("size_pool_idx_for_size: allocation size too large");
+        rb_bug("size_pool_idx_for_size: allocation size too large (size=%lu, size_pool_idx=%lu)", size, size_pool_idx);
     }
 
 #if RGENGC_CHECK_MODE