gimple-ssa-sprintf.c (sprintf_dom_walker): Remove virtual keyword on FINAL OVERRIDE members.

	* gimple-ssa-sprintf.c (sprintf_dom_walker): Remove
	virtual keyword on FINAL OVERRIDE members.

	* tree-ssa-propagate.h (ssa_propagation_engine): Group
	virtuals together.  Add virtual destructor.
	(substitute_and_fold_engine): Similarly.

From-SVN: r254345

gcc/ChangeLog

+2017-11-02  Jeff Law  <law@redhat.com>
+
+	* gimple-ssa-sprintf.c (sprintf_dom_walker): Remove
+	virtual keyword on FINAL OVERRIDE members.
+
+	* tree-ssa-propagate.h (ssa_propagation_engine): Group
+	virtuals together.  Add virtual destructor.
+	(substitute_and_fold_engine): Similarly.
+
 2017-11-02  Jan Hubicka  <hubicka@ucw.cz>
 
 	* x86-tune.def (X86_TUNE_USE_INCDEC): Enable for Haswell+.

gcc/gimple-ssa-sprintf.c

@@ -120,7 +120,7 @@ class sprintf_dom_walker : public dom_walker
   sprintf_dom_walker () : dom_walker (CDI_DOMINATORS) {}
   ~sprintf_dom_walker () {}
 
-  virtual edge before_dom_children (basic_block) FINAL OVERRIDE;
+  edge before_dom_children (basic_block) FINAL OVERRIDE;
   bool handle_gimple_call (gimple_stmt_iterator *);
 
   struct call_info;

gcc/tree-ssa-propagate.h

@@ -81,14 +81,16 @@ class ssa_propagation_engine
 {
  public:
 
-  /* Main interface into the propagation engine.  */
-  void ssa_propagate (void);
+  virtual ~ssa_propagation_engine (void) { }
 
   /* Virtual functions the clients must provide to visit statements
      and phi nodes respectively.  */
   virtual enum ssa_prop_result visit_stmt (gimple *, edge *, tree *) = 0;
   virtual enum ssa_prop_result visit_phi (gphi *) = 0;
 
+  /* Main interface into the propagation engine.  */
+  void ssa_propagate (void);
+
  private:
   /* Internal implementation details.  */
   void simulate_stmt (gimple *stmt);
@@ -100,10 +102,12 @@ class ssa_propagation_engine
 class substitute_and_fold_engine
 {
  public:
-  bool substitute_and_fold (void);
-  bool replace_uses_in (gimple *);
+  virtual ~substitute_and_fold_engine (void) { }
   virtual bool fold_stmt (gimple_stmt_iterator *) { return false; }
   virtual tree get_value (tree) { return NULL_TREE; }
+
+  bool substitute_and_fold (void);
+  bool replace_uses_in (gimple *);
   bool replace_phi_args_in (gphi *);
 };