From 5ec20c4289ff0e4daeb2f0227088f803c3c2294b Mon Sep 17 00:00:00 2001
From: wdfk-prog <1425075683@qq.com>
Date: Sun, 22 Sep 2024 09:49:59 +0800
Subject: [PATCH] fix:[kstdio]Disable "-Wimplicit-fallthrough" below GNUC V7
 (#9459)

fix:Disable "-Wimplicit-fallthrough" below GNUC V7
---
 src/klibc/kstdio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/klibc/kstdio.c b/src/klibc/kstdio.c
index 44ff758e92..879a938b6a 100644
--- a/src/klibc/kstdio.c
+++ b/src/klibc/kstdio.c
@@ -287,7 +287,7 @@ static char *print_number(char *buf,
     return buf;
 }
 
-#if defined(__GNUC__) && !defined(__ARMCC_VERSION) /* GCC */
+#if defined(__GNUC__) && (__GNUC__ >= 7) && !defined(__ARMCC_VERSION) /* GCC */
 #pragma GCC diagnostic push
 /* ignore warning: this statement may fall through */
 #pragma GCC diagnostic ignored "-Wimplicit-fallthrough"