[clang] [llvm] [AArch64] Improve bcvtn2 and remove aarch64_neon_bfcvt intrinsics (PR #120363)

[Sjoerd Meijer via llvm-commits]

sjoerdmeijer wrote:

Forgot to add that a similar problems occur for another test in that same directory:  `vmulh_lane_f16_1.c`.


https://github.com/llvm/llvm-project/pull/120363