I dont get it. Article says “But an aide to Cruz, speaking on the condition of anonymity, said the two had bonded over the issue of illegal immigration.”
Trump and Cruz are miles apart on legal immigration.
“expand green card opportunities, increase high-skilled “H1B” visas...”
http://www.cruz.senate.gov/?p=issue&id=33
“Mark Zuckerberg’s personal Senator, Marco Rubio, has a bill to triple H-1Bs that would decimate women and minorities...”
“... Before any new green cards are issued to foreign workers abroad, there will be a pause...”
https://www.donaldjtrump.com/positions/immigration-reform
Does that help? illegal, not legal.