20010114-1.c

this is a gcc file, you can download it and learn its usetility, for further detail please look at t

/* Origin: PR c/1540 from Mattias Lampe <[e-mail]>,
   adapted to a testcase by Joseph Myers <[e-mail]>.
   GCC 2.95.2 fails, CVS GCC of 2001-01-13 passes.  */
extern void abort (void);
extern void exit (int);

int
main (void)
{
  int array1[1] = { 1 };
  int array2[2][1]= { { 1 }, { 0 } };
  if (array1[0] != 1)
    abort ();
  exit (0);
}