[llvm-branch-commits] [Driver][CFI] Allow CFI with minimal runtime (PR #137103)

[Vitaly Buka via llvm-branch-commits]

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/137103

It was introduced with original "minimal runtime"
patch without explanation:
https://reviews.llvm.org/D36810#:~:text=if%20(-,NonTrappingCfi,-)

The same commit contains `cfi_check_fail` handler,
which can not be reachable with `-fsanitize-trap=cfi`.