[clang] [Clang] [Sema] Handle placeholders in '.*' expressions (PR #83103)

[Aaron Ballman via cfe-commits]

AaronBallman wrote:

> @AaronBallman @Sirraide would this patch be reasonable to backport to the 18.x release branch? It fixes a problem with our application on the FreeBSD-CURRENT branch. [SerenityOS/serenity#23365](https://github.com/SerenityOS/serenity/issues/23365)

Yeah, I think the changes are sufficiently safe and small enough that we could consider backporting. We have instructions on how to get that going here: https://www.llvm.org/docs/GitHub.html#backporting-fixes-to-the-release-branches

https://github.com/llvm/llvm-project/pull/83103