[clang] [llvm] [AArch64][SVE] Improve fixed-length addressing modes. (PR #129732)

[Omair Javaid via cfe-commits]

omjavaid wrote:

This PR appears to have broken [clang-aarch64-sve-vls](https://lab.llvm.org/buildbot/#/builders/143) buildbot. Here is the failing build https://lab.llvm.org/buildbot/#/builders/143/builds/5952



https://github.com/llvm/llvm-project/pull/129732