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From: Szabolcs Nagy <nsz@port70.net>
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Subject: Re: ldso : dladdr support
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* musl <b.brezillon.musl@gmail.com> [2012-08-24 10:56:39 +0200]:
> When h1 |= 1 is done the bucket index and first hashval have already been stored in n and hashval.
> Then h1 is only used in the (h1 == (h2 | 1)) comparison.
> 

meanwhile i realized that if a%n == b%n and a/2 == b/2 then a == b

so there is no loss of information, sorry for the noise