This caused assertion failures in applyBranchToBranchOpt():
llvm/include/llvm/Support/Casting.h:578:
decltype(auto) llvm::cast(From*)
[with To = lld::elf::InputSection; From = lld::elf::InputSectionBase]:
Assertion `isa<To>(Val) && "cast<Ty>() argument of incompatible type!"' failed.
See comment on the PR (https://github.com/llvm/llvm-project/pull/138366)
This reverts commit 491b82a5ec.
This also reverts the follow-up "[lld] Use llvm::partition_point (NFC) (#145209)"
This reverts commit 2ac293f5ac.
1e95349dbe