re PR c++/57645 (Explicitly-declared destructor with no exception specification is always noexcept(true))

/cp
2013-06-28  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/57645
	* class.c (deduce_noexcept_on_destructors): Save, set, and restore
	TYPE_HAS_NONTRIVIAL_DESTRUCTOR (t) around the main loop over the
	destructors.

/testsuite
2013-06-28  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/57645
	* g++.dg/cpp0x/noexcept21.C: New.

From-SVN: r200559