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PR tree-optimization/17697 * tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup cfg if needed. * g++.dg/opt/pr17697-1.C: New test. * g++.dg/opt/pr17697-2.C: New test. * g++.dg/opt/pr17697-3.C: New test. From-SVN: r88277
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