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./: PR tree-optimization/31602 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for conditionals in the copied loop header. * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow warnings if TREE_NO_WARNING is set. * doc/invoke.texi (Warning Options): Clarify that -Wstrict-overflow does not warn about loops. testsuite/: PR tree-optimization/31602 * gcc.dg/Wstrict-overflow-11.c: We no longer issue a warning. From-SVN: r124120
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