gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-struct-included.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Wstrict-aliasing -fstrict-aliasing" } */
   3
   4
   5 struct U
   6 {
   7   float f;
   8   int i;
   9 };
  10
  11
  12 int foo ()
  13 {
  14   struct U u;
  15   float *pf = (float*)&u;  /* { dg-bogus "float included in struct U" } */
  16   *pf = 2.0;
  17   return u.i;
  18 }