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Re: [Xen-devel] [PATCH 15/21] libxl: Get compiler to warn about gc_opt==NULL
Ian Jackson writes ("[PATCH 15/21] libxl: Get compiler to warn about
> Since it used to be legal to pass gc_opt==NULL, and there are various
> patches floating about and under development which do so, add a
> compiler annotation which makes the build fail when that is done.
> This turns a runtime crash into a build failure, and should ensure
> that we don't accidentally commit a broken combination of patches.
I would just like to mention that this did indeed today save me from
committing a broken combination of patches :-).
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