Does the following code invoke UB ?
int main(){
volatile int i = 0;
volatile int* p = &i;
int j = ++i * *p;
}
Does the following code invoke UB ? int main(){ volatile int i = 0;
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Does the following code invoke UB ?
int main(){
volatile int i = 0;
volatile int* p = &i;
int j = ++i * *p;
}
Yes that is Undefined Behavior because you are trying to violate the second rule..
Note: The order of evaluation of the operands of
*operator is unspecified and*pis nothing buti.