История изменений

Определение того, что такое «integer promotions», находится по индексу здесь:

6.3.1 Arithmetic operands
6.3.1.1 Boolean, characters, and integers
...
3 ... If an int can represent all values of the original type, the value is converted to an int;
otherwise, it is converted to an unsigned int. These are called the integer
promotions. 48) All other types are unchanged by the integer promotions.

Определение того, что такое «integer promotions» находится по индексу здесь:

6.3.1 Arithmetic operands
6.3.1.1 Boolean, characters, and integers
...
3 ... If an int can represent all values of the original type, the value is converted to an int;
otherwise, it is converted to an unsigned int. These are called the integer
promotions. 48) All other types are unchanged by the integer promotions.