[clang] [llvm] [AArch64][PAC] Sign block addresses used in indirectbr. (PR #97647)

[Jon Roelofs via cfe-commits]

================
@@ -0,0 +1,106 @@
+; RUN: llc -mtriple arm64e-apple-darwin \
----------------
jroelofs wrote:

does update_test_checks do horrible things to the CHECK lines in this?

https://github.com/llvm/llvm-project/pull/97647