2019-09-06 Nathan Sidwell <nathan@acm.org>
Reserve TREE_LANG_FLAG_3 for modules.
gcc/cp/
* cp-tree.h (DECL_CONSTRUCTION_VTABLE_P): Delete.
(DECL_NON_TRIVIALLY_INITIALIZED_P): Move to TREE_LANG_FLAG_6.
* class.c (build_ctor_vtbl_group): Don't set
DECL_CONSTRUCTION_VTABLE_P.
* decl2.c (determine_visibility_from_class): Don't check
DECL_CONSTRUCTION_VTABLE_P anymore.
===================================================================
@@ -9176,5 +9176,5 @@ build_ctor_vtbl_group (tree binfo, tree
construction vtable group. */
vtbl = build_vtable (t, id, ptr_type_node);
- DECL_CONSTRUCTION_VTABLE_P (vtbl) = 1;
+
/* Don't export construction vtables from shared libraries. Even on
targets that don't support hidden visibility, this tells
===================================================================
@@ -449,5 +449,4 @@ extern GTY(()) tree cp_global_trees[CPTI
FN_TRY_BLOCK_P (in TRY_BLOCK)
BIND_EXPR_BODY_BLOCK (in BIND_EXPR)
- DECL_NONTRIVIALLY_INITIALIZED_P (in VAR_DECL)
CALL_EXPR_ORDERED_ARGS (in CALL_EXPR, AGGR_INIT_EXPR)
DECLTYPE_FOR_REF_CAPTURE (in DECLTYPE_TYPE)
@@ -455,4 +454,5 @@ extern GTY(()) tree cp_global_trees[CPTI
OVL_NESTED_P (in OVERLOAD)
LAMBDA_EXPR_INSTANTIATED (in LAMBDA_EXPR)
+ Reserved for DECL_MODULE_EXPORT (in DECL_)
4: IDENTIFIER_MARKED (IDENTIFIER_NODEs)
TREE_HAS_CONSTRUCTOR (in INDIRECT_REF, SAVE_EXPR, CONSTRUCTOR,
@@ -467,6 +467,6 @@ extern GTY(()) tree cp_global_trees[CPTI
CONSTRUCTOR_PLACEHOLDER_BOUNDARY (in CONSTRUCTOR)
6: IDENTIFIER_REPO_CHOSEN (in IDENTIFIER_NODE)
- DECL_CONSTRUCTION_VTABLE_P (in VAR_DECL)
TYPE_MARKED_P (in _TYPE)
+ DECL_NON_TRIVIALLY_INITIALIZED_P (in VAR_DECL)
RANGE_FOR_IVDEP (in RANGE_FOR_STMT)
CALL_EXPR_OPERATOR_SYNTAX (in CALL_EXPR, AGGR_INIT_EXPR)
@@ -3002,5 +3002,5 @@ struct GTY(()) lang_decl {
or a non-trivial constructor is called. */
#define DECL_NONTRIVIALLY_INITIALIZED_P(NODE) \
- (TREE_LANG_FLAG_3 (VAR_DECL_CHECK (NODE)))
+ (TREE_LANG_FLAG_6 (VAR_DECL_CHECK (NODE)))
/* Nonzero for a VAR_DECL that was initialized with a
@@ -3271,10 +3271,4 @@ struct GTY(()) lang_decl {
TREE_LANG_FLAG_5 (FUNC_OR_METHOD_CHECK (NODE))
-/* Returns 1 iff VAR_DECL is a construction virtual table.
- DECL_VTABLE_OR_VTT_P will be true in this case and must be checked
- before using this macro. */
-#define DECL_CONSTRUCTION_VTABLE_P(NODE) \
- TREE_LANG_FLAG_6 (VAR_DECL_CHECK (NODE))
-
/* 1 iff NODE is function-local, but for types. */
#define LOCAL_CLASS_P(NODE) \
===================================================================
@@ -2714,11 +2714,6 @@ determine_visibility_from_class (tree de
with DECL. */
if (VAR_P (decl)
- && (DECL_TINFO_P (decl)
- || (DECL_VTABLE_OR_VTT_P (decl)
- /* Construction virtual tables are not exported because
- they cannot be referred to from other object files;
- their name is not standardized by the ABI. */
- && !DECL_CONSTRUCTION_VTABLE_P (decl)))
&& TREE_PUBLIC (decl)
+ && (DECL_TINFO_P (decl) || DECL_VTABLE_OR_VTT_P (decl))
&& !DECL_REALLY_EXTERN (decl)
&& !CLASSTYPE_VISIBILITY_SPECIFIED (class_type))