Re: Purpose of "struct object_entry *oe = oe;"?

> Out of curiousity, where did this convention/idiom come from, and what's
> it for?
> 
> I presume it's to remove a warning ("oe might be used uninitialised") on
> a compiler (or something) that's clever enough to attempt such analysis
> but too stupid to notice that the supposed initialisation is using
> something uninitialised (or perhaps the compiler's deliberately
> recognising the convention?).  Is that right, or does it actually do
> something more?
> 
> I'm mostly surprised that it surprises me.  Is it used commonly in other
> projects?  (It appears not to be mentioned in CodingGuidelines; should
> it be?)
> 
> (First instance in git that I can see is
> 67affd5173da059ca60aab7896985331acacd9b4, 2006.)