2006-01-05 Josh Stone <joshua.i.stone@intel.com>

2006-01-05  Josh Stone  <joshua.i.stone@intel.com>

	PR 2056
	* translate.cxx (var::~var, var::hist, var::buckets): make these
	methods virtual, so we can use polymorphism.
	(mapvar::hist, mapvar::buckets):  Override the corresponding var
	methods to handle pmaps correctly.
	(c_unparser::visit_arrayindex, c_unparser::visit_print_format): Make
	use of the new polymorphic behavior of var & mapvar when dealing with
	histogram data.
	* testsuite/buildok/pmap_foreach.stp: Add tests to check histogram
	accesses with for/foreach.