sdcc/support/regression/tests/gcc-torture-execute-20080604-1.c

   1 /*
   2    20080604-1.c from the execute part of the gcc torture tests.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 struct barstruct { char const* some_string; } x;
  12
  13 void
  14 foo(void)
  15 {
  16   if (!x.some_string)
  17     ASSERT (0);
  18 }
  19 void baz(int b)
  20 {
  21   struct barstruct bar;
  22   struct barstruct* barptr;
  23   if (b)
  24     barptr = &bar;
  25   else
  26     {
  27       barptr = &x + 1;
  28       barptr = barptr - 1;
  29     }
  30   barptr->some_string = "Everything OK";
  31   foo();
  32   barptr->some_string = "Everything OK";
  33 }
  34
  35 void
  36 testTortureExecute (void)
  37 {
  38   x.some_string = (void *)0;
  39   baz(0);
  40   if (!x.some_string)
  41     ASSERT (0);
  42   return;
  43 }
  44