1 #include <stddef.h>
overflows(size_t a,size_t b)2 static int overflows (size_t a, size_t b) { size_t x; return __builtin_add_overflow(a, b, &x); }
3 volatile size_t aa = 42;
main(void)4 int main (void) { return overflows(aa, aa); }
5