Are arrays guaranteed to be affected by a "memory" clobber?

[Segher Boessenkool]

On Mon, Jun 15, 2015 at 11:02:44AM -0600, Martin Sebor wrote:
> Let me clarify one important property of the GCC implementation.
> In contrast to a strict reading of the C standard, GCC doesn't
> require an object to be declared volatile in order to guarantee
> that volatile semantics are applied to accesses to it. What
> matters is the volatility of the lvalue used to perform the
> access.

This isn't documented behaviour though; see PR33053.


Segher