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2008-03-15 Richard Guenther <rguenther@suse.de> * tree-ssa-ccp.c (ccp_fold): Also read from constant values and fold constant aggregate refs. (fold_const_aggregate_ref): Handle string constants and constructors in ARRAY_REFs. Handle INDIRECT_REF. (evaluate_stmt): Simplify now that ccp_fold folds constant aggregate refs. * gcc.dg/tree-ssa/ssa-ccp-16.c: New testcase. From-SVN: r133257
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