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Re: [Xen-devel] [PATCH 1/3] treewide: Lift switch variables out of switches

> On Jan 23, 2019, at 5:09 AM, Jann Horn <jannh@xxxxxxxxxx> wrote:
> AFAICS this only applies to switch statements (because they jump to a
> case and don't execute stuff at the start of the block), not blocks
> after if/while/... .

It bothers me that we are going out of our way to deprecate valid C constructs
in favor of placing the declarations elsewhere.

As current compiler warnings would catch any reference before initialization
usage anyway, it seems like we are letting a compiler warning rather than the
language standard dictate syntax.

Certainly if we want to make it a best practice coding style issue we can, and
then an appropriate note explaining why should be added to
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