From 70df40cab6f268ba7f05c6d1421928cca0834ee3 Mon Sep 17 00:00:00 2001 From: Martin Liska Date: Wed, 8 Apr 2020 17:16:55 +0200 Subject: Allow new/delete operator deletion only for replaceable. PR c++/94314 * gimple.c (gimple_call_operator_delete_p): Rename to... (gimple_call_replaceable_operator_delete_p): ... this. Use DECL_IS_REPLACEABLE_OPERATOR_DELETE_P. * gimple.h (gimple_call_operator_delete_p): Rename to ... (gimple_call_replaceable_operator_delete_p): ... this. * tree-core.h (tree_function_decl): Add replaceable_operator flag. * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Use DECL_IS_REPLACEABLE_OPERATOR_DELETE_P. (propagate_necessity): Use gimple_call_replaceable_operator_delete_p. (eliminate_unnecessary_stmts): Likewise. * tree-streamer-in.c (unpack_ts_function_decl_value_fields): Pack DECL_IS_REPLACEABLE_OPERATOR. * tree-streamer-out.c (pack_ts_function_decl_value_fields): Unpack the field here. * tree.h (DECL_IS_REPLACEABLE_OPERATOR): New. (DECL_IS_REPLACEABLE_OPERATOR_NEW_P): New. (DECL_IS_REPLACEABLE_OPERATOR_DELETE_P): New. * cgraph.c (cgraph_node::dump): Dump if an operator is replaceable. * ipa-icf.c (sem_item::compare_referenced_symbol_properties): Compare replaceable operator flags. PR c++/94314 * decl.c (duplicate_decls): Duplicate also DECL_IS_REPLACEABLE_OPERATOR. (cxx_init_decl_processing): Mark replaceable all implicitly defined operators. PR c++/94314 * lto-common.c (compare_tree_sccs_1): Compare also DECL_IS_REPLACEABLE_OPERATOR. PR c++/94314 * g++.dg/pr94314-2.C: New test. * g++.dg/pr94314-3.C: New test. * g++.dg/pr94314.C: New test. --- gcc/gimple.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'gcc/gimple.h') diff --git a/gcc/gimple.h b/gcc/gimple.h index 305d98f..ca7fec6 100644 --- a/gcc/gimple.h +++ b/gcc/gimple.h @@ -1615,7 +1615,7 @@ extern alias_set_type gimple_get_alias_set (tree); extern bool gimple_ior_addresses_taken (bitmap, gimple *); extern bool gimple_builtin_call_types_compatible_p (const gimple *, tree); extern combined_fn gimple_call_combined_fn (const gimple *); -extern bool gimple_call_operator_delete_p (const gcall *); +extern bool gimple_call_replaceable_operator_delete_p (const gcall *); extern bool gimple_call_builtin_p (const gimple *); extern bool gimple_call_builtin_p (const gimple *, enum built_in_class); extern bool gimple_call_builtin_p (const gimple *, enum built_in_function); -- cgit v1.1