[llvm-branch-commits] [lld] [llvm] Backport fixes for ARM64EC import libraries (PR #84590)

[Daniel Paoliello via llvm-branch-commits]

dpaoliello wrote:

@tstellar I'd like to get this merged into the v18 release branch, but there's some discussion of whether we should trim the changes down to just what is needed or leave them as they were merged into master. Can you please let me know what your preference is?

https://github.com/llvm/llvm-project/pull/84590