2008-10-15 Paolo Carlini <paolo.carlini@oracle.com>

2008-10-15  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/forward_list.h: Remove pointless const qualifiers in
	const_casts.
	* include/bits/forward_list.tcc: Likewise.

	* include/bits/forward_list.h (forward_list<>::pointer,
	const_pointer, reference, const_reference): Fix, use _Tp_alloc_type.
	* testsuite/23_containers/forward_list/requirements/
	explicit_instantiation/1.cc: New.
	* testsuite/23_containers/forward_list/requirements/
	explicit_instantiation/1.cc: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@141153 138bc75d-0d04-0410-961f-82ee72b054a4