Tom Lane <tgl@sss.pgh.pa.us> schrieb:
>Boszormenyi Zoltan <zb@cybertec.at> writes:
>> Then, why isn't memcpy() skipped if the source and dest are the same?
>> It would be a micro-optimization but a valid one.
>
>No, it'd be more like a micro-pessimization, because the test would be
>wasted effort in the vast majority of calls. The *only* reason to do
>this would be to shut up valgrind, and that seems annoying.
>
>I wonder if anyone's tried filing a bug against valgrind to say that it
>shouldn't complain about this case.
You already need a suppression file to use valgrind sensibly, its easy enough to add it there. Perhaps we should add
oneto the tree?
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Please excuse brevity and formatting - I am writing this on my mobile phone.
