[compiler-rt] [flang] [llvm] [AArch64] fix trampoline implementation: use X15 (PR #126743)

[Eli Friedman via llvm-commits]

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@@ -1,35 +1,26 @@
-; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+;; Testing that nest uses x15 on all calling conventions (except Arm64EC)
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efriedma-quic wrote:

So, nest works, but init.trampoline is broken because it's generating code for the wrong architecture?  I guess that's okay.

https://github.com/llvm/llvm-project/pull/126743