[llvm] [PAC][CodeGen][ELF][AArch64] Support signed GOT (PR #113811)

[Daniil Kovalev via llvm-commits]

kovdan01 wrote:

### Merge activity

* **Nov 1, 5:17 AM EDT**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/113811).


https://github.com/llvm/llvm-project/pull/113811