[clang] [Clang] Deleting an incomplete enum type is not an error (PR #118455)

[Alexander Kornienko via cfe-commits]

alexfh wrote:

> PR here https://github.com/llvm/llvm-project/pull/118980 - But I'd love to understand the actual issue before merging

It'll take some time. cvise has reduced the preprocessed input from 13MB to 7.5MB so far. The input is not shareable so far.

https://github.com/llvm/llvm-project/pull/118455