[lld] [LLD][COFF] Add support for ARM64EC import call thunks with extended range (PR #109703)

[Martin Storsjö via llvm-commits]

mstorsjo wrote:

> I have mixed feelings about the test. It needs to create a larger file than usual (~129MB). I could remove the file at the end of the test to reduce its footprint, but it will still be slower than typical tests. Is there some common practice for such cases?

It's unfortunate and annoying, but I guess this is just how we usually handle these cases. After `check-lld` we have a handful of similar sized files under `lld/test/ELF/Output` as well, so I guess the common practice is to just do this and leave the files behind.

https://github.com/llvm/llvm-project/pull/109703