[llvm] [AArch64] Fix return address auth in tail call epilogues (PR #189484)

[Daniil Kovalev via llvm-commits]

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kovdan01 wrote:

As far as I understand from the definition of `getArgumentStackToRestore`, the result might be non-zero not only for tail calls. Would it be possible to add such test cases?

https://github.com/llvm/llvm-project/pull/189484