[llvm] [AArch64][BTI] Mark EH landing pads as jump targets (PR #149680)

[Benjamin Herrenschmidt via llvm-commits]

ozbenh wrote:

Additionally with that patch, clang20 build on f42 fails with
```
********************
Failed Tests (1):
  Clang-Unit :: Interpreter/ExceptionTests/./ClangReplInterpreterExceptionTests/0/1
```

Is there another change elsewhere that also needs to be backported or is this fix simply incomplete ? Next I will try to build all of llvm from git, but that will require more time.

https://github.com/llvm/llvm-project/pull/149680