------- Additional Comments From dnovillo at gcc dot gnu dot org  2005-08-15 
14:15 -------
(In reply to comment #4)
> Hmm, can someone explain where in store_ccp we stuff constants 
> into the mem_ref field of lattice values?  There are a few places 
> where simple_cst_equal is used to compare a constant to mem_ref 
> but AFAICT mem_ref is always the lhs of an expression?? 
>  
Yes.  mem_ref holds the actual memory store/load expression (i.e., the
REFERENCE_CLASS_P tree).  The actual constant value is always stored in the
CONST_VAL array.



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23094

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