CPushPush(
                int x = 3,
                int y = 3,
                int stage = 1
        ) : DrawScreen(x, y)
        { // <-- 에러 부분
                Env.stage = stage;
        }


DrawScreen(x, y) 클래스 생성자도 정상적으로 호출이 되는데 저 괄호부분에서 에러가 납니다.

디버거 메세지
This may be due to a corruption of the heap, which indicates a bug in MyConsoleApp.exe or any of the DLLs it has loaded.

This may also be due to the user pressing F12 while MyConsoleApp.exe has focus.

The output window may have more diagnostic information.
The program \'[5700] MyConsoleApp.exe: Native\' has exited with code 0 (0x0).