re PR c++/26099 (support for type traits is not available)

gcc/
2007-03-30  Paolo Carlini  <pcarlini@suse.de>

	PR c++/26099
	* c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
	RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
	RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
	RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
	RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
	RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
	RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
	C++ extensions.
	* doc/extend.texi (Extensions to the C++ Language): Add Type Traits.

gcc/cp/
2007-03-30  Paolo Carlini  <pcarlini@suse.de>

	PR c++/26099
	* cp-tree.h (enum cp_trait_kind, struct tree_trait_expr,
	TRAIT_EXPR_TYPE1, TRAIT_EXPR_TYPE2, TRAIT_EXPR_KIND): Add.
	(enum cp_tree_node_structure_enum, union lang_tree_node): Update.
	(CLASS_TYPE_NON_UNION_P): Add.
	(struct lang_type_class): Add has_complex_dflt.
	(TYPE_HAS_COMPLEX_DFLT, TYPE_HAS_TRIVIAL_DFLT): Add.
	(locate_copy, locate_ctor, locate_dtor, finish_trait_expr): Declare.
	* cp-tree.def: Add TRAIT_EXPR.
	* cp-objcp-common.c (cp_tree_size): Add TRAIT_EXPR case.
	* lex.c (struct resword): Add __has_nothrow_assign,
	__has_nothrow_constructor, __has_nothrow_copy, __has_trivial_assign,
	__has_trivial_constructor, __has_trivial_copy,
	__has_trivial_destructor, __has_virtual_destructor, __is_abstract,
	__is_base_of, __is_class, __is_convertible_to, __is_empty, __is_enum,
	__is_pod, __is_polymorphic, __is_union.
	* parser.c (cp_parser_primary_expression): Deal with the new RIDs.
	(cp_parser_trait_expr): New.
	* semantics.c (finish_trait_expr, trait_expr_value
	classtype_has_nothrow_copy_or_assign_p): New.
	* method.c (locate_copy, locate_ctor, locate_dtor): Do not define
	as static.
	* decl.c (cp_tree_node_structure): Add TRAIT_EXPR.
	* class.c (check_bases, check_field_decl, check_bases_and_members):
	Deal with TYPE_HAS_COMPLEX_DFLT (t) too.
	* pt.c (uses_template_parms, tsubst_copy_and_build,
	value_dependent_expression_p, type_dependent_expression_p): Deal with
	TRAIT_EXPR.
	* tree.c (cp_walk_subtrees): Deal with TRAIT_EXPR.

gcc/testsuite/
2007-03-30  Paolo Carlini  <pcarlini@suse.de>

	PR c++/26099
	* g++.dg/ext/is_base_of.C: New.
	* g++.dg/ext/has_virtual_destructor.C: New.
	* g++.dg/ext/is_polymorphic.C: New.
	* g++.dg/ext/is_base_of_diagnostic.C: New.
	* g++.dg/ext/is_enum.C: New.
	* g++.dg/ext/has_nothrow_assign.C: New.
	* g++.dg/ext/has_nothrow_constructor.C: New.
	* g++.dg/ext/is_empty.C: New.
	* g++.dg/ext/has_trivial_copy.C: New.
	* g++.dg/ext/has_trivial_assign.C: New.
	* g++.dg/ext/is_abstract.C: New.
	* g++.dg/ext/is_pod.C: New.
	* g++.dg/ext/has_nothrow_copy.C: New.
	* g++.dg/ext/is_class.C: New.
	* g++.dg/ext/has_trivial_constructor.C: New.
	* g++.dg/ext/is_union.C: New.
	* g++.dg/ext/has_trivial_destructor.C: New.
	* g++.dg/tree-ssa/pr22444.C: Adjust, avoid __is_pod.
	* g++.dg/template/crash43.C: Likewise.

libstdc++-v3/
2007-03-30  Paolo Carlini  <pcarlini@suse.de>

	PR c++/26099
	* include/bits/cpp_type_traits.h (struct __is_pod, struct __is_empty):
	Remove.
	* include/bits/valarray_array.h: Adjust.
	* include/bits/allocator.h: Likewise.
	* include/bits/stl_tree.h: Likewise.

From-SVN: r123366

1 files changed, 5 insertions, 0 deletions

diff --git a/gcc/cp/cp-tree.def b/gcc/cp/cp-tree.def
index a2a0c03..a0feb30 100644
--- a/gcc/cp/cp-tree.def
+++ b/gcc/cp/cp-tree.def
@@ -422,6 +422,11 @@ DEFTREECODE (EXPR_PACK_EXPANSION, "expr_pack_expansion", tcc_expression, 1)
    index is a machine integer.  */
 DEFTREECODE (ARGUMENT_PACK_SELECT, "argument_pack_select", tcc_exceptional, 0)
 
+/** C++ extensions. */
+
+/* Represents a trait expression during template expansion.  */
+DEFTREECODE (TRAIT_EXPR, "trait_expr", tcc_exceptional, 0)
+
 /*
 Local variables:
 mode:c