From dddc618d3076de2c1b27d01f106bf0bf126d4677 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3?=
 <shyouhei@ruby-lang.org>
Date: Thu, 9 Sep 2021 14:05:11 +0900
Subject: suppress GCC's -Wsuggest-attribute=format

I was not aware of this because I use clang these days.
---
 error.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'error.c')

diff --git a/error.c b/error.c
index 6cd64bc280..b589384303 100644
--- a/error.c
+++ b/error.c
@@ -108,6 +108,7 @@ err_position_0(char *buf, long len, const char *file, int line)
     }
 }
 
+RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 5, 0)
 static VALUE
 err_vcatf(VALUE str, const char *pre, const char *file, int line,
 	  const char *fmt, va_list args)
@@ -344,6 +345,7 @@ rb_write_warning_str(VALUE str)
     rb_warning_warn(rb_mWarning, str);
 }
 
+RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 4, 0)
 static VALUE
 warn_vsprintf(rb_encoding *enc, const char *file, int line, const char *fmt, va_list args)
 {
@@ -396,6 +398,7 @@ rb_category_compile_warn(rb_warning_category_t category, const char *file, int l
     rb_warn_category(str, rb_warning_category_to_name(category));
 }
 
+RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 0)
 static VALUE
 warning_string(rb_encoding *enc, const char *fmt, va_list args)
 {
@@ -716,6 +719,7 @@ postscript_dump(FILE *out)
     bug_important_message(out, msg, msglen);
 }
 
+RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 0)
 static void
 bug_report_begin_valist(FILE *out, const char *fmt, va_list args)
 {
@@ -779,6 +783,7 @@ die(void)
     abort();
 }
 
+RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 1, 0)
 void
 rb_bug_without_die(const char *fmt, va_list args)
 {
-- 
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