https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102006
--- Comment #8 from Dmitriano <d-ef at yandex dot ru> --- (In reply to Dmitriano from comment #7) > (In reply to Richard Biener from comment #6) > > It sounds like the usual upcasting of a link-only node which is strictly > > non-conforming and can also result in TBAA issues but it's wide-spread. > > Note I didn't look into the source at all. > > Yes it is a warning about upcasting, I cast a list node (or list link) of > type Link to list element of type T. Theoretically Link should always be a > subobject of T in my code. Saying more exactly, Link should be a subobject of T when I cast it, but not always.
