From d16853fe8cc216c5ba3a0c171409655d2e31b8e0 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Mon, 5 May 2025 17:44:53 +0900
Subject: [PATCH] stringop-overread warning is since GCC 11

---
 ext/digest/sha1/sha1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/digest/sha1/sha1.c b/ext/digest/sha1/sha1.c
index 244fed7..ce20027 100644
--- a/ext/digest/sha1/sha1.c
+++ b/ext/digest/sha1/sha1.c
@@ -234,7 +234,7 @@ void SHA1_Update(SHA1_CTX *context, const uint8_t *data, size_t len)
 	SHA1_Transform(context->state, context->buffer);
 	for ( ; i + 63 < len; i += 64) {
 	    RB_DIGEST_WARNING_PUSH();
-#if defined(__GNUC__) && !defined(__clang__)
+#if defined(__GNUC__) && !defined(__clang__) && __GNUC__ >= 11
 	    RB_DIGEST_WARNING_IGNORED(-Wstringop-overread);
 #endif
 	    SHA1_Transform(context->state, &data[i]);