[Bug tree-optimization/33508] [4.3 Regression] tree struct aliasing goes into a loop marking call clobbers.

[ramana dot radhakrishnan at celunite dot com]

------- Comment #6 from ramana dot radhakrishnan at celunite dot com  2007-09-20 13:52 -------
(In reply to comment #4)
> Created an attachment (id=14230)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14230&action=view) [edit]
> patch fixing the problem
> 
> This fixes it.  The idea is to keep track of which parent vars we need to add
> all subvars to the call clobbered list in a bitmap and process them after the
> first walk.
> 

Yep it does - Thanks for the quick fix. I am testing it now and will let you
know in a bit . 


(In reply to comment #5)
> 4.2 doesn't have this extra loop.
> 


-- 

ramana dot radhakrishnan at celunite dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|4.3.0                       |unknown


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33508