Align i128s to 16 bytes, following the example at https://reviews.llvm.org/D86310. clang already does this implicitly, but do it in backend code too for the benefit of other frontends (see e.g https://github.com/llvm/llvm-project/issues/102783 & https://github.com/rust-lang/rust/issues/128950).
646 B
646 B