[clang] [llvm] [clang][SPARC] Pass 16-aligned 16-byte structs as i128 in CC (PR #155829)

[via llvm-commits]

koachan wrote:

Hmmm yeah, looks like the PR mistakenly passes FPs as integers.
The ABI tests seem to be rather lacking too in testing struct with FP...

https://github.com/llvm/llvm-project/pull/155829