[PATCH] D34574: [Sema] Disable c++17 aligned new and delete operators if not implemented in the deployment target's c++ standard library

[Akira Hatanaka via Phabricator via cfe-commits]

ahatanak added a comment.

I suppose it's possible to define a new driver option that can be used to tell clang to annotate the implicit declarations with an availability attribute, which will enable the link time error to be caught at compile time. Alternatively, it's also possible to put the availability attributes by default and use the driver option to remove the attributes, but this will cause clang to error out on a valid code when the users have provided their own implementations of the aligned operators.


https://reviews.llvm.org/D34574