C++ What is the earliest undefined behavior can manifest itself?

Question

I\'m aware that undefined behavior can potentially cause anything, which makes any program containing UB potentially meaningless. I was wondering if there is any way to iden

Answer 1

while it is "undefined behaviour", given a particular compiler, it will have a predictable behavior of some sort. But because it is undefined, on different compilers, it may result in that behavior occurring at any point of the complilation / runtime