distinguishing gcc compilation valgrind false positives

Paul Floyd paulf@free.fr
Wed Nov 24 19:15:27 GMT 2021


On 24/11/2021 20:05, Zdenek Sojka via Gcc wrote:
> Hello,
>
> from time to time, I come upon a testcase that failed during the automated
> runs, but passes during reduction; there are valgrind warnings present,
> however. How do I distinguish what warnings are valid and which are false
> positives? Is there any way gcc could prevent generating the false
> positives?


What makes you think that any are false positives?

Memcheck generally has a low false positive rate (though I am little 
biased).

You need to read the source and decide based on that.


A+

Paul



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