gcc/testsuite/gdc.test/fail_compilation/test21198.d

   1 // https://issues.dlang.org/show_bug.cgi?id=21198
   2
   3 /*
   4 TEST_OUTPUT:
   5 ---
   6 fail_compilation/test21198.d(23): Error: generating an `inout` copy constructor for `struct test21198.U` failed, therefore instances of it are uncopyable
   7 ---
   8 */
   9
  10 struct S
  11 {
  12     this(ref inout(S) other) inout {}
  13 }
  14
  15 union U
  16 {
  17     S s;
  18 }
  19
  20 void fun()
  21 {
  22     U original;
  23     U copy = original;
  24 }