[PATCH] D129748: [Modules] Disable preferred_name attribute in C++20 Modules

[Chuanqi Xu via Phabricator via cfe-commits]

ChuanqiXu added a comment.

In D129748#3660650 <https://reviews.llvm.org/D129748#3660650>, @tahonermann wrote:

> I neglected to explicitly mention in conjunction with my last comment, but @ChuanqiXu, can you check to see if we are indeed serializing class template specializations "too early" and, if so, whether delaying such serialization until a defining point resolves the issue?

Personally, the problem is not **serializing** class template specializations "too early". The problem is that we are **deserializing** class template specializations "too early". The key point here is that Modules would read declarations **lazily** for performance reasons. This is a feature of modules.


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https://reviews.llvm.org/D129748