[clang] [clang] Allow delayed function instantiation at TU end if initial instantiation fails (PR #117167)

[Yupei Liu via cfe-commits]

LYP951018 wrote:

I have a draft which implements the capture rule for deferred lambda instantiation https://github.com/llvm/llvm-project/pull/105953
I've been too busy lately and haven't continued working on this Pull Request.If you're interested,you can take a look at it.

https://github.com/llvm/llvm-project/pull/117167