On Thu, May 24, 2018 at 8:54 AM, Warner Losh <i...@bsdimp.com> wrote: > > > On Thu, May 24, 2018 at 12:36 AM, Matthew Macy <mm...@freebsd.org> wrote: >> >> On Wed, May 23, 2018 at 11:35 PM, Michael Tuexen >> <michael.tue...@macmic.franken.de> wrote: >> >> On 24. May 2018, at 06:51, Matthew Macy <mm...@freebsd.org> wrote: >> >> >> >> Warnings find bugs PERIOD. Although most are not useful, I've found >> > Some warnings indicate bugs, some warnings are just wrong. If you >> > have a "may be used uninitialized" warning being a false positive, you >> > may silences the warning by just set it to zero in the declaration and >> > you silence it. Other compilers might then correctly report an >> > assignment without affect... >> >> I have yet to see a double assignment be flagged as assignment without >> effect. If it _does_ occur then we have to disable the warning on the >> compiler that we have less faith in. > > > Coverity does exactly that.
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