some clang plugins report bogus warnings (was: Re: GSoC Refactor god objects weekly report)

Lubos Lunak l.lunak at
Wed Jul 30 07:15:37 PDT 2014

On Tuesday 29 of July 2014, Michael Stahl wrote:
> On 29/07/14 01:39, V wrote:
> > The only thing bugging me is that the extern-and-not-defined plugin is
> > not really werror compatible because it seems to warn in a lot of
> > places. To disable it I moved into a "disabled" folder and told git to
> > ignore it so I dont commit that changed, but it seems to reappear
> > everytime I pull.
> interesting ... i've had the same problem with 2 of the clang plugins;
> at least with the clang packages on Fedora 20, they report warnings in
> _header_ files despite the plugins having a check that the offending
> statement "isInMainFile()" - perhaps it's some clang bug that does not
> occur with the clang versions the authors of the plugins used?  well
> there is macro expansion involved in the problems i saw, argh...

 I think the call to isInMainFile() should not use spellingLocation, but just 
the location given by functionDecl->getLocation() .

 Lubos Lunak
 l.lunak at

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