[llvm] [AArch64][GlobalISel] Fix incorrect ABI when tail call not supported (PR #70215)

[Nikita Popov via llvm-commits]

nikic wrote:

Just to clarify, determineAssignments() does succeed here, it's just that following checks fail and the function has already changed state. Just a boolean canDetermineAssignments() query wouldn't be enough for use in this function, we do need the result as well.

https://github.com/llvm/llvm-project/pull/70215