Former Labor Secretary Robert Reich blasted the GOP's tax overhaul plan on Tuesday, comparing the sweeping tax cuts to former President Reagan's tax cuts in the 1980s.

"This is trickle-down economics on steroids. This is an example of the kind of worst Republican kind of thinking," Reich, who served as Labor chief during the Clinton administration, said on CNN's "OutFront."

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Reich, who backed Sen. Bernie Sanders Bernie SandersOutrage erupts over Breonna Taylor grand jury ruling Dimon: Wealth tax 'almost impossible to do' Grand jury charges no officers in Breonna Taylor death MORE (I-Vt.) in the 2016 Democratic presidential primary, took issue with the bill's slashing of corporate taxes and the idea that doing so will benefit the economy as a whole.

"You give big corporations big tax breaks, you give billionaires and real estate developers big tax breaks and somehow that's going to help everybody else and make the economy large and grow — well, it's just not going to happen and, in fact, quite the opposite," he said.

Reich suggested the best way to spur economic growth is to "invest in people" including education, job training, infrastructure and health care.

"And this bill is actually not only not doing that, it's going to make it harder in the future to make those kinds of investments in our people," Reich said.

The GOP bill is expected to clear the House and Senate this week and continue to President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE's desk before lawmakers leave town for the holiday recess.

The House is expected to revote on the bill Wednesday after the Senate parliamentarian found that several measures violated the rules governing the legislation.

The House had easily voted to approve the legislation on Tuesday, sending it to the Senate for a vote later in the day.