"Is it possible you could put the 175-E2 in a deep freeze until things change, or would you just say ‘Let’s not go with that?’

It is just a matter of one or two years of shifting, but we will do it because we are in an advanced stage already. It has a dedicated wing, but everything else—the components, the avionics, the interior—are basically the same as the 190. And let’s not forget there will be a market outside the U.S., and a new entrant [the Mitsubishi Regional Jet] will offer an aircraft of the same size. So we will do it anyway, because we will be competing with a new manufacturer."

Embraer CEO Lays Out Commercial Aviation Battle Plan

More info in the article.

Things could always change, but sounds like there are no plans of canceling the 175E2.