История изменений

С realloc еще добавили.

https://stackoverflow.com/questions/40065322/realloc-lifetime-and-ub

All undefined behavior shall be limited to bounded undefined behavior, except for the following which are permitted to result in critical undefined behavior: The value of a pointer that refers to space deallocated by a call to the free or realloc function is used (7.22.3). C11

С realloc еще добавили.

https://stackoverflow.com/questions/40065322/realloc-lifetime-and-ub

All undefined behavior shall be limited to bounded undefined behavior, except for the following which are permitted to result in critical undefined behavior:

> The value of a pointer that refers to space deallocated by a call to the free or realloc function is used (7.22.3). C11

С realloc еще добавили.

https://stackoverflow.com/questions/40065322/realloc-lifetime-and-ub