gcc/testsuite/gcc.c-torture/execute/990811-1.c

   1 struct s {long a; int b;};
   2
   3 int foo(int x, void *y)
   4 {
   5   switch(x) {
   6     case 0: return ((struct s*)y)->a;
   7     case 1: return *(signed char*)y;
   8     case 2: return *(short*)y;
   9   }
  10   abort();
  11 }
  12
  13 int main ()
  14 {
  15   struct s s;
  16   short sh[10];
  17   signed char c[10];
  18   int i;
  19
  20   s.a = 1;
  21   s.b = 2;
  22   for (i = 0; i < 10; i++) {
  23     sh[i] = i;
  24     c[i] = i;
  25   }
  26
  27   if (foo(0, &s) != 1) abort();
  28   if (foo(1, c+3) != 3) abort();
  29   if (foo(2, sh+3) != 3) abort();
  30   exit(0);
  31 }