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

[Alastair Houghton via llvm-commits]

al45tair wrote:

@mgorny Could you get a symbolicated backtrace for the test failure? Or run the offending test under gdb/lldb and get a backtrace that way? (I don't have a 32-bit machine handy to test this; I could set something up, but it'll take a while, and if you've got a system set up already and we can work out why it's failing for you, that would be easier.)

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