[llvm] [AArch64] Fix vectorToScalarBitmask BE (#156312) (PR #156314)

[Giuseppe Cesarano via llvm-commits]

GiuseppeCesarano wrote:

> ld64.lld -arch x86_64 -platform_version macos 11.0 11.0 -syslibroot /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm-project/lld/test/MachO/Inputs/MacOSX.sdk -lSystem -fatal_warnings --read-workers=1 /home/b/sanitizer-aarch64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/MachO/Output/read-workers.s.tmp.o -o /dev/null

The error seems to be unrelated with this patch, it occurs in linking for x86 targets while the current patch only changes aarch64_be codegen

https://github.com/llvm/llvm-project/pull/156314