re PR libstdc++/24808 (is_object fails to compile with incomplete types)

re PR libstdc++/24808 (is_object fails to compile with incomplete types)

2005-11-11  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/24808
	* include/tr1/type_traits (__is_abstract_helper): Rename to __in_array
	(with complemented logic).
	(is_function): Use it, don't use __conv_helper.
	(is_abstract): Adjust.
	(__conv_helper): Rename to __is_convertible_simple.
	(is_convertible): Adjust.
	* testsuite/testsuite_tr1.h (class IncompleteClass): Add.
	* testsuite/tr1/4_metaprogramming/composite_type_traits/is_object/
	24808.cc: New.
	* testsuite/tr1/4_metaprogramming/primary_type_categories/is_enum/
	24808.cc: Likewise.
	* testsuite/tr1/4_metaprogramming/primary_type_categories/is_function/
	24808.cc: Likewise.

From-SVN: r106818