gcc/testsuite/gcc.dg/Wstrict-aliasing-bogus-never-dereferenced.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Wstrict-aliasing -fstrict-aliasing" } */
   3
   4
   5 int foo ()
   6 {
   7   int x = 10;
   8   int *p;
   9   float *q;
  10
  11   q = (float*) &x;  /* { dg-bogus "not referenced" } */
  12
  13   return x;
  14 }