enum_tests/lvalue.cfa:17:1 error: Invalid application of existing declaration(s) in expression Address of:
  Name: C
enum_tests/lvalue.cfa:18:1 error: Invalid application of existing declaration(s) in expression Address of:
  Name: O
enum_tests/lvalue.cfa:19:1 error: Invalid application of existing declaration(s) in expression Address of:
  Name: T