testcase that miscompiles for me

bitbug.c (text/plain), 262 bytes, created by Reimar Döffinger on 2007-08-25 08:27:58 UTC

#include <stdio.h>

struct {
  int test1 : 1;
  int test2 : 1;
} bf;

int main(int argc, char *argv[]) {
  int a = atoi(argv[1]);
  int b = atoi(argv[2]);
  bf.test1 = !a;
  bf.test2 = !b;
  printf("vals: %i %i %i %i\n", a, bf.test1, b, bf.test2);
  return 0;
}