2015-04-27  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Add support for std::uncaught_exceptions.
	* acinclude.m4: Bump libtool_VERSION.
	* config/abi/pre/gnu.ver: Export the new symbol.
	* configure: Regenerate.
	* libsupc++/eh_catch.cc (uncaught_exceptions): New.
	* libsupc++/exception (uncaught_exceptions): New.
	* testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc: New.
	* testsuite/util/testsuite_abi.cc: Add 3.4.22 as the latest version.

From-SVN: r222482