Function rustc_codegen_llvm::debuginfo::metadata::enums::cpp_like::build_union_fields_for_direct_tag_generator

fn build_union_fields_for_direct_tag_generator<'ll, 'tcx>(
    cx: &CodegenCx<'ll, 'tcx>,
    generator_type_and_layout: TyAndLayout<'tcx>,
    generator_type_di_node: &'ll DIType
) -> SmallVec<[&'ll DIType; 16]>