Compiler: See compiler output

Go to https://godbolt.org/ and enter the following C++ code:

#include <stdio.h>
class MyClass {
  public:
    void* prop0;
    int prop1;
    void test() { prop1++; }
    MyClass() {
        prop0 = NULL;
        prop1 = 0;
    }
};
void meuk() {
    MyClass c;
    c.test();
    int i = 100;
}

https://www.geeksforgeeks.org/peephole-optimization-in-compiler-design

https://www.geeksforgeeks.org/loop-optimization-in-compiler-design

https://www.geeksforgeeks.org/symbol-table-compiler