gcc/testsuite/g++.dg/abi/no_unique_address4.C

   1 // Test that [[no_unique_address]] makes the enclosing class non-layout-POD.
   2 // { dg-do compile { target c++11 } }
   3
   4 struct A {};
   5 struct B1: A {
   6   int i;
   7   char c;
   8 };
   9
  10 struct B2 {
  11   [[no_unique_address]] A a;
  12   int i;
  13   char c;
  14 };
  15
  16 struct C1: B1 {
  17   char d;
  18 };
  19
  20 struct C2: B2 {
  21   char d;
  22 };
  23
  24 #define SA(X) static_assert((X),#X)
  25 SA(sizeof(C1) == sizeof(C2));