[llvm] [PAC][ELF] Place AUTH constants in .data.rel.ro for position dependent code (PR #150418)

[Daniil Kovalev via llvm-commits]

kovdan01 wrote:

> This fixes the issue reported by @pcc in pauth channel in Discord: https://discord.com/channels/636084430946959380/1133112394701348895/1395957067847700630

@pcc Could you please take a look at this and check if this fixes the issue for you (since this PR was inspired by your issue report)?

Everyone else interested is also welcome to leave feedback :)

https://github.com/llvm/llvm-project/pull/150418