7.57 --enum_is_int

Forces the size of all enumeration types to be at least four bytes.

Note

ARM does not recommend the --enum_is_int option for general use.

Default

This option is switched off by default. The smallest data type that can hold the values of all enumerators is used.
Related reference
7.89 --interface_enums_are_32_bit
10.4 Structures, unions, enumerations, and bitfields in ARM C and C++
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