gcc/testsuite/gcc.dg/20000623-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -fno-strict-aliasing" } */
   3
   4 extern void exit (int);
   5 extern void abort (void);
   6
   7 struct foos { int l; };
   8 int foo;
   9 static struct foos *getfoo(void);
  10 int main (void)
  11 {
  12   struct foos *f = getfoo();
  13   f->l = 1;
  14   foo = 2;
  15   if (f->l == 1)
  16     abort();
  17   exit(0);
  18 }
  19 static struct foos *getfoo(void)
  20 { return (struct foos *)&foo; }