[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] introduce __must_be_array
On 20/05/2009 06:39, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote: >> Would simply removing the cast to void from BUILD_BUG_ON() lead to compiler >> warnings? > > While I didn't try it, I'm convinced it would. I tried it (gcc 4.1.2) and it didn't. And I'm not sure what the theoretical warning message would be: Throwing away a non-void value? We do that with return values from functions very often. I'll change BUILD_BUG_ON() and avoid BUILD_BUG_ON_ZERO(), but revert to your approach if some gccs turn out to act differently. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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