[clang] [llvm] [MC] Remove UseAssemblerInfoForParsing (PR #91082)

[Nikita Popov via llvm-commits]

nikic wrote:

Reverted in https://github.com/llvm/llvm-project/commit/fa750f09be6966de7423ddce1af7d1eaf817182c due to large compile-time regressions in some cases, see https://llvm-compile-time-tracker.com/compare.php?from=9bbefb7f600019c9d7025281132dd160729bfff2&to=03c53c69a367008da689f0d2940e2197eb4a955c&stat=instructions:u. sqlite3 regresses by 5% in unoptimized builds.

https://github.com/llvm/llvm-project/pull/91082