[clang] Patch series to reapply #118734 and substantially improve it (PR #120534)

[Chandler Carruth via cfe-commits]

chandlerc wrote:


> Overall, I'm positive on this, and think this is beneficial.  If this is something we can get to settle (I recognize this is probably what you were talking about with the RFC to increase the 'required MSVC version'), I'm all for it.

Yeah, this was the motivation.

The downside is that the issue dyung and I are discussing is even with a version of MSVC past the new baseline. =\




https://github.com/llvm/llvm-project/pull/120534