gcc/testsuite/gcc.c-torture/execute/20010118-1.c

   1 typedef struct {
   2   int a, b, c, d, e, f;
   3 } A;
   4
   5 void foo (A *v, int w, int x, int *y, int *z)
   6 {
   7 }
   8
   9 void
  10 bar (A *v, int x, int y, int w, int h)
  11 {
  12   if (v->a != x || v->b != y) {
  13     int oldw = w;
  14     int oldh = h;
  15     int e = v->e;
  16     int f = v->f;
  17     int dx, dy;
  18     foo(v, 0, 0, &w, &h);
  19     dx = (oldw - w) * (double) e/2.0;
  20     dy = (oldh - h) * (double) f/2.0;
  21     x += dx;
  22     y += dy;
  23     v->a = x;
  24     v->b = y;
  25     v->c = w;
  26     v->d = h;
  27   }
  28 }
  29
  30 int main ()
  31 {
  32   A w = { 100, 110, 20, 30, -1, -1 };
  33   bar (&w,400,420,50,70);
  34   if (w.d != 70)
  35     abort();
  36   exit(0);
  37 }