[llvm] [RuntimeDyld][ELF][AArch64] Fix resolveAArch64ShortBranch. (PR #92245)

[Alastair Houghton via llvm-commits]

al45tair wrote:

I've added a test that doing a cross-section branch on AArch64 doesn't result in a direct reference but instead goes via a stub.

https://github.com/llvm/llvm-project/pull/92245