Function validate_code_section

pub fn validate_code_section(
    wasm: &mut WasmReader<'_>,
    section_header: SectionHeader,
    fn_types: &[FuncType],
    type_idx_of_fn: &[usize],
    num_imported_funcs: usize,
    globals: &[Global],
    memories: &[MemType],
    data_count: &Option<u32>,
    tables: &[TableType],
    elements: &[ElemType],
    validation_context_refs: &BTreeSet<usize>,
    sidetable: &mut Vec<SidetableEntry>,
) -> Result<Vec<(Span, usize)>>