2009-05-12  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* libsupc++/exception: Include nested_exception.h in C++0x mode.
	* libsupc++/nested_exception.h: New.
	* libsupc++/Makefile.am: Add new header.
	* libsupc++/Makefile.in: Regenerate.
	* testsuite/18_support/nested_exception/rethrow_nested.cc: New.
	* testsuite/18_support/nested_exception/throw_with_nested.cc: New.
	* testsuite/18_support/nested_exception/cons.cc: New.
	* testsuite/18_support/nested_exception/nested_ptr.cc: New.
	* testsuite/18_support/nested_exception/rethrow_if_nested.cc: New.
	* doc/xml/manual/status_cxx200x.xml: Adjust.

From-SVN: r147446