def make_for_loop(loop_body_instrs, else_body_instrs, context):
    """
    Make an ast.For node.
    """
    # Instructions from start until GET_ITER are the builders for the iterator
    # expression.
    iterator_expr = make_expr(
        popwhile(not_a(instrs.GET_ITER), loop_body_instrs, side='left')
    )

    # Next is the GET_ITER instruction, which we don't need.
    loop_body_instrs.popleft()

    # Next is FOR_ITER, which is the jump target for Continue nodes.
    top_of_loop = loop_body_instrs.popleft()

    # This can be a STORE_* or an UNPACK_SEQUENCE followed by some number of
    # stores.
    target = make_assign_target(
        loop_body_instrs.popleft(),
        loop_body_instrs,
        stack=[],
    )

    body, orelse_body = make_loop_body_and_orelse(
        top_of_loop, loop_body_instrs, else_body_instrs, context
    )

    return ast.For(
        target=target,
        iter=iterator_expr,
        body=body,
        orelse=orelse_body,
    )
Make an ast.For node.