Revert PR libstdc++/6594

Revert PR libstdc++/6594

2002-08-02  Benjamin Kosnik  <bkoz@redhat.com>

	Revert PR libstdc++/6594
	* src/strstream.cc (strstreambuf): Revert.
	(strstreambuf::overflow): Same.
	(strstreambuf::~strstreambuf): Same.
	* testsuite/backward/strstream_members.cc (test02): Add.

	* docs/html/abi.txt: Update. Spell check.

	* testsuite/19_diagnostics/stdexceptions.cc (test04): Add bool test.

	* testsuite/Makefile.am (INCLUDES): Add LIBSUPCXX_INCLUDES.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/testsuite_hooks.h: Use __throw_exception_again,
	include functexcept.h so that -fno-exceptions will build.

From-SVN: r55988