gcc/testsuite/gcc.dg/Wstrict-aliasing-converted-assigned.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Wstrict-aliasing -fstrict-aliasing" } */
   3
   4
   5 int foo()
   6 {
   7   int i;
   8   *(long*)&i = 0;  /* { dg-warning "type-punn" } */
   9   return i;
  10 }
  11
  12 /* { dg-message "does break strict-aliasing" "" { target { *-*-* && lp64 } xfail *-*-* } 8 } */
  13 /* { dg-message "initialized" "" { target { *-*-* && lp64 } xfail *-*-* } 8 } */