[llvm-branch-commits] [llvm] release/19.x: [llvm][aarch64] Fix Arm64EC name mangling algorithm (#115567) (PR #116273)

[Eli Friedman via llvm-branch-commits]

https://github.com/efriedma-quic approved this pull request.

LGTM

I think this is safe for the branch:

Functionally, this should only affect Arm64EC targets, and this is important for those targets.

The header modifications only add functions; nothing is removed or modified, so there shouldn't be ABI compatibility issues.

https://github.com/llvm/llvm-project/pull/116273