From 9ec6c83c97d9e66b6d165329c0711bf8e096afaf Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sun, 13 Jun 2021 14:34:46 +0900
Subject: Removed duplicate include

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

diff --git a/gc.c b/gc.c
index 70fb47c5d3..ec6946ec27 100644
--- a/gc.c
+++ b/gc.c
@@ -45,7 +45,7 @@
 
 #ifdef HAVE_MALLOC_USABLE_SIZE
 # ifdef RUBY_ALTERNATIVE_MALLOC_HEADER
-#  include RUBY_ALTERNATIVE_MALLOC_HEADER
+/* Alternative malloc header is included in ruby/missing.h */
 # elif defined(HAVE_MALLOC_H)
 #  include <malloc.h>
 # elif defined(HAVE_MALLOC_NP_H)
-- 
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