NoQ added a comment. In D120992#3359864 <https://reviews.llvm.org/D120992#3359864>, @steakhal wrote:
> BTW what is the semantics of `[p retain]` in ObjC? Can `p` be null in that > context? Or does it count as a dereferences, hence it constraints the pointer? In Objective-C "methods" can be "called" on null pointers. The well-defined result is that nothing happens and null is returned. If the method returns an integer, a zero is returned. If the method returns a structure by value, a zero-filled structure is returned. In Objective-C++, if the method returns a C++ object by value, a zero-filled object is returned (without calling the constructor; in particular, the object may be ill-formed from the start). Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D120992/new/ https://reviews.llvm.org/D120992 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
