let llvm_pointer_vec_ty = llvm_vector_ty(bx, underlying_ty, in_len, pointer_count);
let llvm_pointer_vec_str = llvm_vector_str(underlying_ty, in_len, pointer_count);
let llvm_pointer_vec_ty = llvm_vector_ty(bx, underlying_ty, in_len, pointer_count);
let llvm_pointer_vec_str = llvm_vector_str(underlying_ty, in_len, pointer_count);