typedef __SIZE_TYPE__ size_t; int getrandom (void *__buffer, size_t __length, /* { dg-message "parameter 1 of 'getrandom' marked with attribute 'access \\(write_only, 1, 2\\)'" } */ unsigned int __flags) __attribute__ ((access (__write_only__, 1, 2))); #define GRND_RANDOM 0x02 const char *test = "test"; int main(void) { const char buf[5] = { 0 }; if (getrandom((char *)test, sizeof(buf), GRND_RANDOM)) /* { dg-warning "write to string literal" } */ __builtin_printf("%s\n", buf); return 0; }