integerOverflow is not reported for the op '+='

[wy163]

Hi,

void main() {
    int max_v = INT_MAX;
    int x = max_v + 1;
    max_v += 1;
}

There is an integerOverflow reported for "x = max_v + 1". But it is not reported for "max_v += 1".

[CHR]

Thanks for reporting, ticket is here: https://trac.cppcheck.net/ticket/14404