version of warning(). For those, you'd pass an OPT_W* value from
options.h, but in generator programs it has no effect, so it's OK
to just pass zero for calls from generator-only files. */
-extern void warning (int, const char *, ...) ATTRIBUTE_PRINTF_2;
-extern void error (const char *, ...) ATTRIBUTE_PRINTF_1;
-extern void fatal (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1;
-extern void internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1;
+extern void warning (int, const char *, ...) ATTRIBUTE_PRINTF_2 ATTRIBUTE_COLD;
+extern void error (const char *, ...) ATTRIBUTE_PRINTF_1 ATTRIBUTE_COLD;
+extern void fatal (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1 ATTRIBUTE_COLD;
+extern void internal_error (const char *, ...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF_1 ATTRIBUTE_COLD;
extern const char *trim_filename (const char *);
extern int have_error;