[RFC][PATCH] Change default to -fcommon

[Michael Matz]

Hi,

On Tue, 21 Nov 2017, Richard Biener wrote:

> > That would be a simple oversight then.  That's one of the nice things 
> > with common symbols, they contain their own alignment which you can 
> > freely adjust, you don't have to care for something like section 
> > alignment.
> 
> You can't because of the need for merging a real definition with lower 
> alignment with the adjusted tentative one.

Yes, that is the real neck breaker, and I hadn't considered this 
initially.  Objections withdrawn :)


Ciao,
Michael.