PATCH: Fix PR objc/19321 and assorted bogosities

[Ziemowit Laski]

On 17 Jan 2005, at 5.07, Paolo Bonzini wrote:

> Ziemowit Laski wrote:
>> This patch (finally!) fixes the mysterious loss of volatile-ness 
>> experienced by PARM_DECLs
>> in ObjC methods.  I'm not terribly proud of the objc.dg/volatile-1.m 
>> test case, as it only really works for PowerPC Darwin targets; I'm 
>> hoping people can add assembly patterns to search for on their own 
>> platforms.  Or perhaps there is a better, target-independent way of 
>> testing this; suggestions are welcome and encouraged.
>
> You can scan the ".optimized" dump.

I'm not a DejaGuru -- could you show me how that is done? :-)  Also, 
would that approach be any more portable than what I cooked up?

Thanks,

--Zem