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2009-07-08 Manuel López-Ibáñez <manu@gcc.gnu.org> PR c++/31246 * gimplify.c (gimplify_expr): Propagate no_warning flag when gimplifying. * gimple (gimple_build_call_from_tree): Likewise. * tree-cfg.c (remove_useless_stmts_warn_notreached): Check no_warning flag before warning. cp/ * init.c (build_new_1): Set TREE_NO_WARNING for compiler-generated code. * cp-gimplify.c (genericize_eh_spec_block): Likewise. testsuite/ * g++.dg/warn/pr31246.C: New. * g++.dg/warn/pr31246-2.C: New. From-SVN: r149354
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