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" "type-punn" } */
   9   /* These messages are only expected for lp64, but fail there.  When they
  10      pass for lp64, replace "xfail *-*-*" with "target lp64".  */
  11   /* { dg-message "does break strict-aliasing" "break" { xfail *-*-* } .-3 } */
  12   /* { dg-message "initialized" "init" { xfail *-*-* } .-4 } */
  13   return i;
  14 }