Conversely, if your program has a fault (for example, using a bad pointer) at some location in memory, you can look for the source line that is closest to the memory address.
Since pushing a variable essentially moves the stack pointer by a dword, the stack pointer is adjusted by adding 4 (the size of a dword) to it (line 32).
因为在堆栈中压入一个变量会让堆栈指针移动一个双字，所以给堆栈指针加4(双字的大小)(第32行)。
3
Additional line to delete the pointer to the object is needed since the container will not delete a stored pointer so it has to be manually deleted.