Hi! With the master branch (baf8a1c22acce0908) bison generates code with a bunch of inline functions, but inline is spelled __inline with MSVC, and the test fails spectacularly.
An example error message: zardoz.c(873) : error C2054: expected '(' to follow 'inline' $ bison --version bison (GNU Bison) 2.4.2 Written by Robert Corbett and Richard Stallman. ... Cheers, Peter