PR libstdc++/16612
	* include/bits/basic_string.h (_M_dispose, _M_refcopy,
	basic_string()): When _GLIBCXX_FULLY_DYNAMIC_STRING is defined,
	don't deal with _S_empty_rep.
	* include/bits/basic_string.tcc (_S_construct, _M_destroy,
	_M_leak_hard, _M_mutate): Likewise.
	* acinclude.m4 (GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING): New.
	* acconfig.h: Add corresponding undef.
	* configure.ac: Use GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING.
	* docs/html/configopts.html: Document --enable-fully-dynamic-string.
	* configure: Regenerate.
	* config.h.in: Likewise.

2004-09-28  Benjamin Kosnik  <bkoz@redhat.com>
            Paolo Carlini  <pcarlini@suse.de>

	* testsuite/21_strings/basic_string/operations/char/1.cc: New.
	* testsuite/21_strings/basic_string/operations/wchar_t/1.cc: New.
	* testsuite/21_strings/basic_string/element_access/char/empty.cc: New.
	* testsuite/21_strings/basic_string/element_access/wchar_t/empty.cc:
	New.

2004-09-28  Paolo Carlini  <pcarlini@suse.de>

	* README: Remove obsolete entry about include/c_shadow.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88225 138bc75d-0d04-0410-961f-82ee72b054a4