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



------- Comment #4 from rguenth at gcc dot gnu dot org  2007-09-20 12:07 -------
Created an attachment (id=14230)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14230&action=view)
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.


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |rguenth at gcc dot gnu dot
                   |dot org                     |org
             Status|NEW                         |ASSIGNED


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


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