Infinite compilation with templates

Question

This question is just out of curiosity. In recursive templates if we forget to put one particular specialization, then compiler will do large number of iterations and then s

Answer 1

Getting the parser into an infinite loop using template is not new.

// Stresses the compiler infinitely
// from: http://www.fefe.de/c++/c%2b%2b-talk.pdf
template struct Loop { Loop operator->(); };
Loop i, j = i->hooray;