analyzer: fix warnings [PR123136]

analyzer: fix warnings [PR123136]

gcc/analyzer/ChangeLog:
	PR analyzer/123136
	* engine.cc
	(strongly_connected_components::strongly_connected_components):
	Consistently use size_t.
	(strongly_connected_components::dump): Likewise.
	(strongly_connected_components::to_json): Likewise.
	(exploded_graph::print_bar_charts): Likewise.
	(exploded_path::feasible_p): Remove unused locals.
	(exploded_graph_annotator::exploded_graph_annotator): Use size_t
	for iterator var.
	(impl_run_checkers): Drop logger param of engine ctor.
	* ops.cc (phis_for_edge_op::maybe_make): Drop unused param of
	phis_for_edge_op ctor.
	(phis_for_edge_op::phis_for_edge_op): Likewise.
	* ops.h (operation::~operation): Make virtual.
	(control_flow_op::dyn_cast_control_flow_op): Add "final override".
	(phis_for_edge_op::phis_for_edge_op): Drop unused param.
	(phis_for_edge_op::m_cfg_in_edge): Drop unused field.
	* region-model.cc (engine::engine): Drop unused "logger" param.
	* region-model.h (engine::engine): Likewise.
	* supergraph-fixup-locations.cc (location_fixer::location_fixer):
	Drop m_sg field.
	(location_fixer::m_sg): Drop unused field.
	(location_fixer::m_purge_map): Drop unused field.
	* supergraph-sorting.cc (class sorting_worklist): Drop unused
	m_worklist field.

Signed-off-by: David Malcolm <dmalcolm@redhat.com>