RTL alias analysis

[Mark Mitchell]

Richard Henderson wrote:
> On Fri, Jan 20, 2006 at 06:39:21PM +0100, Steven Bosscher wrote:
> 
>>FWIW, I don't believe this is a "fix", but rather a solid work-around
>>for the problem.  I'm still trusting rth's superior compiler brain and
>>GCC knowledge to ultimately be ingredients in a real fix ;-)
> 
> 
> I don't think it's quite solid for a workaround.

Would you elaborate?  I found myself reasonably convinced by Steven's
explanation.

I guess a secondary question is: is the workaround sufficiently useful
in many of the problematic cases and sufficiently non-harmful in other
cases as to merit inclusion, given that we don't have a better solution?

-- 
Mark Mitchell
CodeSourcery
mark@codesourcery.com
(650) 331-3385 x713