RFR(XS): 8220690: ATTRIBUTE_ALIGNED requires GNU extensions enabled

[Severin Gehwolf]

On Tue, 2019-03-19 at 10:23 +0100, Severin Gehwolf wrote:
> 
> Sure. It'll take a bit. godbolt.org tells me that it should work for
> GCC 4.4.7, though. I'll reply once I have results.

Results are in. Good to go.

Thanks,
Severin