[llvm-branch-commits] [clang] release/18.x: [Serialization] Record whether the ODR is skipped (#82302) (PR #82309)

[Chuanqi Xu via llvm-branch-commits]

ChuanqiXu9 wrote:

Although we announced that the support for C++20 modules in clangd is broken, there are already a lot of people tried to use clangd with modules in some level. So it should be helpful to backport this to clang18 as well to improve the user experience as much as possible.

https://github.com/llvm/llvm-project/pull/82309