[PATCH, GCC 4.7] Backport fix for PR tree-optimization/53708

[Jakub Jelinek]

On Tue, Oct 30, 2012 at 02:03:44PM -0500, Peter Bergner wrote:
> Ok, then I'll bootstrap and regtest your suggested change while we
> wait for richi to comment.  I'm fine with whatever you and richi
> decide is best.  The ObjC guys should probably test it though too.
> 
> I assume you think we should change the current trunk code as well?

Well, I haven't looked at the ObjC failures (guess they are darwin only
anyway), so have no idea whether those set section name or not.
So, if my proposed test instead of the trunk one doesn't work for darwin,
perhaps it could be DECL_PRESERVED_P (decl) || (DECL_SECTION_NAME (decl) &&
!...).  I think DECL_USER_ALIGN test is undesirable for that though, it is
just fine to increase alignment of anything, after all, it is still aligned
properly then.

	Jakub