Running rstan with latest R (3.6.0) fails with Error in compileCode

Interfaces RStan
,
19

This may have been solved on GitHub: https://github.com/stan-dev/rstan/issues/633

Foogee fixed it by:
“changing my Makevars.win file to the below
CXX14=$(BINPREF)g++ -O2 -march=native -mtune=native”