[clang] [clang-tools-extra] [clang] Compute accurate begin location for CallExpr with explicit object parameter (PR #117841)

[Nikita Popov via cfe-commits]

nikic wrote:

It looks like this causes a significant compile-time regression: https://llvm-compile-time-tracker.com/compare.php?from=2b855dd97092e2178ac5c470a804a17ec440d7e5&to=9ccde12f5eeb91152900082a2ae839e2a9702b31&stat=instructions:u (Maybe most clearly seen during clang bootstrap, where this adds 0.5% to many compilations: https://llvm-compile-time-tracker.com/compare_clang.php?from=2b855dd97092e2178ac5c470a804a17ec440d7e5&to=9ccde12f5eeb91152900082a2ae839e2a9702b31&stat=instructions%3Au&sortBy=interestingness)

Is that expected?

https://github.com/llvm/llvm-project/pull/117841