While at it, make it finer-grained (63 bits of randomness)
function old new delta
evaluate 3303 3336 +33
.rodata 104107 104111 +4
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 37/0) Total: 37 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>