sdcc/support/regression/tcc/78_vla_label.c

   1 #include <stdio.h>
   2
   3 /* This test segfaults as of April 27, 2015. */
   4 void f1(int argc)
   5 {
   6   char test[argc];
   7   if(0)
   8   label:
   9     printf("boom!\n");
  10   if(argc-- == 0)
  11     return;
  12   goto label;
  13 }
  14
  15 /* This segfaulted on 2015-11-19. */
  16 void f2(void)
  17 {
  18     goto start;
  19     {
  20         int a[1 && 1]; /* not a variable-length array */
  21         int b[1 || 1]; /* not a variable-length array */
  22         int c[1 ? 1 : 1]; /* not a variable-length array */
  23     start:
  24         a[0] = 0;
  25         b[0] = 0;
  26         c[0] = 0;
  27     }
  28 }
  29
  30 void f3(void)
  31 {
  32     printf("%d\n", 0 ? printf("x1\n") : 11);
  33     printf("%d\n", 1 ? 12 : printf("x2\n"));
  34     printf("%d\n", 0 && printf("x3\n"));
  35     printf("%d\n", 1 || printf("x4\n"));
  36 }
  37
  38 int main()
  39 {
  40   f1(2);
  41   f2();
  42   f3();
  43
  44   return 0;
  45 }