gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-pta-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Wall" } */
   3
   4 struct S { int *p; int *q; };
   5
   6 void foo (struct S *);
   7
   8 int bar (int b)
   9 {
  10   struct S s;
  11   int *p;
  12   float f;
  13   foo (&s);
  14   if (b)
  15     p = s.q;
  16   else
  17     p = (int *)&f;
  18   return *p;
  19 }