[llvm-branch-commits] Frontend: Adopt llvm::vfs::OutputBackend in CompilerInstance (PR #113364)

[Steven Wu via llvm-branch-commits]

cachemeifyoucan wrote:

Before landing the other change and rebase this, I created a branch to benchmark compile time: https://llvm-compile-time-tracker.com/compare.php?from=3b3fc701d8f83d4ca30ee1c818fb7687336ac178&to=e5febfb1d9d880b4f7af5dc32194f479ee2adcd6&stat=instructions%3Au

Nothing stands out as regression.

https://github.com/llvm/llvm-project/pull/113364