From 1f255adda93bd7958afc7405026326f630ba4748 Mon Sep 17 00:00:00 2001
From: xtkoba <69125751+xtkoba@users.noreply.github.com>
Date: Fri, 30 Apr 2021 10:09:32 +0900
Subject: [PATCH] Silence GCC 11 warnings

```
../strftime.c: In function 'rb_strftime_with_timespec':
../strftime.c:392:39: warning: comparison is always false due to limited range of data type [-Wtype-limits]
  392 |                         if (vtm->wday < 0 || vtm->wday > 6)
      |                                       ^
../strftime.c:403:39: warning: comparison is always false due to limited range of data type [-Wtype-limits]
  403 |                         if (vtm->wday < 0 || vtm->wday > 6)
      |                                       ^
```
---
 strftime.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/strftime.c b/strftime.c
index c3d600114f..d963038d94 100644
--- a/strftime.c
+++ b/strftime.c
@@ -389,7 +389,7 @@ rb_strftime_with_timespec(VALUE ftime, const char *format, size_t format_len,
 				flags &= ~(BIT_OF(LOWER)|BIT_OF(CHCASE));
 				flags |= BIT_OF(UPPER);
 			}
-			if (vtm->wday < 0 || vtm->wday > 6)
+			if (vtm->wday > 6)
 				i = 1, tp = "?";
 			else
 				i = 3, tp = days_l[vtm->wday];
@@ -400,7 +400,7 @@ rb_strftime_with_timespec(VALUE ftime, const char *format, size_t format_len,
 				flags &= ~(BIT_OF(LOWER)|BIT_OF(CHCASE));
 				flags |= BIT_OF(UPPER);
 			}
-			if (vtm->wday < 0 || vtm->wday > 6)
+			if (vtm->wday > 6)
 				i = 1, tp = "?";
 			else
 				i = strlen(tp = days_l[vtm->wday]);