gcc/testsuite/gcc.target/i386/pr39545-1.c

   1 /* PR target/39545 */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target lp64 } */
   4 /* { dg-options "-O2" } */
   5
   6 struct flex
   7 {
   8   int i;
   9   int flex [];
  10 };
  11
  12 int
  13 foo (struct flex s)
  14 {
  15   return s.i;
  16 }
  17
  18 struct flex
  19 bar (int x)
  20 { /* { dg-message "note: the ABI of passing struct with a flexible array member has changed in GCC 4.4" } */
  21   struct flex s;
  22   s.i = x;
  23   return s;
  24 }