On 7/3/19 6:25 PM, Marek Polacek wrote:
This resolves DR 1813 which says that for a class to be a standard-layout class, it may not have two (possibly indirect) base class subobjects of the same type. I was going to play DFS games but then I noticed we'd already set CLASSTYPE_REPEATED_BASE_P, making this significantly easier.There are 3 related DRs which I opened PRs for: 91079 - [DR 1881] Standard-layout classes and unnamed bit-fields 91080 - [DR 1672] Layout compatibility with multiple empty bases 91081 - [DR 2120] Array as first non-static data member in standard-layout class Bootstrapped/regtested on x86_64-linux, ok for trunk? 2019-07-03 Marek Polacek <pola...@redhat.com> DR 1813 PR c++/83374 - __is_standard_layout wrong for a class with repeated bases. * class.c (check_bases): Set CLASSTYPE_NON_STD_LAYOUT for a class if CLASSTYPE_REPEATED_BASE_P is true.
OK. Jason
