suppress GCC's -Wsuggest-attribute=format

I was not aware of this because I use clang these days.

1 files changed, 3 insertions, 0 deletions

diff --git a/internal/error.h b/internal/error.h
index 9bf3ba3fa3..11601858f4 100644
--- a/internal/error.h
+++ b/internal/error.h
@@ -43,6 +43,7 @@ extern long rb_backtrace_length_limit;
 extern VALUE rb_eEAGAIN;
 extern VALUE rb_eEWOULDBLOCK;
 extern VALUE rb_eEINPROGRESS;
+RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 3, 0)
 void rb_report_bug_valist(VALUE file, int line, const char *fmt, va_list args);
 NORETURN(void rb_async_bug_errno(const char *,int));
 const char *rb_builtin_type_name(int t);
@@ -114,6 +115,7 @@ void rb_deprecated_method_to_be_removed(const char *);
 # define RBIMPL_TODO0(x)
 #endif
 #define RBIMPL_TODO(message) RBIMPL_TODO0("TODO: " message)
+RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 6, 0)
 VALUE rb_syntax_error_append(VALUE, VALUE, int, int, rb_encoding*, const char*, va_list);
 PRINTF_ARGS(void rb_enc_warn(rb_encoding *enc, const char *fmt, ...), 2, 3);
 PRINTF_ARGS(void rb_sys_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3);
@@ -124,6 +126,7 @@ VALUE rb_name_err_new(VALUE mesg, VALUE recv, VALUE method);
 VALUE rb_nomethod_err_new(VALUE mesg, VALUE recv, VALUE method, VALUE args, int priv);
 VALUE rb_key_err_new(VALUE mesg, VALUE recv, VALUE name);
 PRINTF_ARGS(VALUE rb_warning_string(const char *fmt, ...), 1, 2);
+RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, 2, 0)
 NORETURN(void rb_vraise(VALUE, const char *, va_list));
 NORETURN(static inline void rb_raise_cstr(VALUE etype, const char *mesg));
 NORETURN(static inline void rb_raise_cstr_i(VALUE etype, VALUE mesg));