[clang] [Clang] Fix a wrong diagnostic about a local variable inside a lambda in unevaluated context need capture (PR #165098)

[Matheus Izvekov via cfe-commits]

mizvekov wrote:

The large patch @zyn0217 is talking about is https://github.com/llvm/llvm-project/pull/107942

I am not sure when I'll be able to work on it again.

https://github.com/llvm/llvm-project/pull/165098