gcc/testsuite/gcc.dg/cpp/embed-9.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-std=c23 -Woverride-init" } */
   3
   4 unsigned char a[] = {
   5 #embed __FILE__
   6 };
   7 unsigned char b[] = {
   8   [26] =
   9 #embed __FILE__
  10 };
  11 unsigned char c[] = {
  12 #embed __FILE__ suffix (,)
  13   [sizeof (a) / 4] = 0,         /* { dg-warning "initialized field overwritten" } */
  14   [sizeof (a) / 2] = 1,         /* { dg-warning "initialized field overwritten" } */
  15   [1] = 2,                      /* { dg-warning "initialized field overwritten" } */
  16   [sizeof (a) - 2] = 3          /* { dg-warning "initialized field overwritten" } */
  17 };
  18 unsigned char d[] = {
  19   [1] = 4,
  20   [26] = 5,
  21   [sizeof (a) / 4] = 6,
  22   [sizeof (a) / 2] = 7,
  23   [sizeof (a) - 2] = 8,
  24 #embed __FILE__ prefix ([0] = ) /* { dg-warning "initialized field overwritten" } */
  25 };
  26 unsigned char e[] = {
  27 #embed __FILE__ suffix (,)
  28   [2] = 9,                      /* { dg-warning "initialized field overwritten" } */
  29   [sizeof (a) - 3] = 10         /* { dg-warning "initialized field overwritten" } */
  30 };
  31 unsigned char f[] = {
  32   [23] = 11,
  33   [sizeof (a) / 4 - 1] = 12,
  34 #embed __FILE__ limit (128) prefix ([sizeof (a) / 4 - 1] = ) suffix (,)         /* { dg-warning "initialized field overwritten" } */
  35 #embed __FILE__ limit (130) prefix ([sizeof (a) / 4 - 2] = ) suffix (,)         /* { dg-warning "initialized field overwritten" } */
  36 #embed __FILE__ prefix ([sizeof (a) / 4 + 10] = ) suffix (,)                    /* { dg-warning "initialized field overwritten" } */
  37 #embed __FILE__ limit (128) prefix ([sizeof (a) + sizeof (a) / 4 - 30] = ) suffix (,) /* { dg-warning "initialized field overwritten" } */
  38 #embed __FILE__ limit (128) prefix ([sizeof (a) / 4 + 96] = ) suffix (,)        /* { dg-warning "initialized field overwritten" } */
  39 };
  40 const unsigned char g[] = {
  41 #embed __FILE__ limit (128) prefix (  [10] = 2, [5] = 3, [13] = 4, [17] = 5, [0] = )    /* { dg-warning "initialized field overwritten" } */
  42 };