* Fixed codegen for constant cstring with --gc:arc, fixes #13321 * Added test for #13321
* progress on repr_v2 * repr progress * add ref objects with distrinct * fix failing tests
* fixes #13102 * closes #13149 * ARC: fixes a move optimizer bug (there are more left regarding array and tuple indexing) * proper fix; fixes #12957 * fixes yet another case object '=' code generation problem