Zbigniew Jędrzejewski-Szmek
9d59f5b2f9
FLAGS_SET() checks if *all* the bits are set. In this case we want to check
if *any* are. FLAGS_SET() was added in cde2f8605e,
but not a bug then yet, because with just one bit, both options are equivalent.
But when more bits were added later, this stopped being correct.
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