gcc/testsuite/gcc.c-torture/execute/mayalias-3.c

   1 typedef struct __attribute__((__may_alias__)) { short x; } test;
   2
   3 test *p;
   4
   5 int g(int *a)
   6 {
   7  p = (test*)a;
   8 }
   9
  10 int f()
  11 {
  12   int a;
  13   g(&a);
  14   a = 10;
  15   test s={1};
  16   *p=s;
  17   return a;
  18 }
  19
  20 int main() {
  21   if (f() == 10)
  22     __builtin_abort();
  23   return 0;
  24 }
  25
  26