Coverity report this as:
CID 971840 (#1 of 1): Operands don't affect result (CONSTANT_EXPRESSION_RESULT)
result_independent_of_operands: 4 | (flags & 1) is always true regardless of the values of its operands. This occurs as the logical first operand of "?:".

The C order of precidence has | of higher precidence than ?:. The
intenting implies an | of the 3 terms.

Adjust to intented meaning.