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105601
2016 Jun 14
2
Calling a null pointer. How undefined it is?
Hi all:
This question is related to a state machine generated by LLVM for a coroutine.
I stripped all coroutine related details to get to the essence of the question.
Let's say I have a state machine that looks like this:
struct State {
FnPtr Fn;
State() : Fn(&SomeFunction) {}
void Go() { (*Fn)(); }
void Stop() { Fn = nullptr; }
bool IsDone() { return Fn ==