[gcc r13-1308] tree-switch-conversion.h: use final/override for cluster vfunc impls

[gcc r13-1308] tree-switch-conversion.h: use final/override for cluster vfunc impls

[David Malcolm]

https://gcc.gnu.org/g:a2f2e0ffa2a270043a1c16ba4553652c7b8d4525

commit r13-1308-ga2f2e0ffa2a270043a1c16ba4553652c7b8d4525
Author: David Malcolm <dmalcolm@redhat.com>
Date:   Mon Jun 27 17:00:33 2022 -0400

    tree-switch-conversion.h: use final/override for cluster vfunc impls
    
    gcc/ChangeLog:
            * tree-switch-conversion.h: Add "final" and "override" to cluster
            vfunc implementations as appropriate.
    
    Signed-off-by: David Malcolm <dmalcolm@redhat.com>

Diff:
---
 gcc/tree-switch-conversion.h | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/gcc/tree-switch-conversion.h b/gcc/tree-switch-conversion.h
index 4063a6c16a0..6861572fb17 100644
--- a/gcc/tree-switch-conversion.h
+++ b/gcc/tree-switch-conversion.h
@@ -130,19 +130,19 @@ public:
   {}
 
   cluster_type
-  get_type ()
+  get_type () final override
   {
     return SIMPLE_CASE;
   }
 
   tree
-  get_low ()
+  get_low () final override
   {
     return m_low;
   }
 
   tree
-  get_high ()
+  get_high () final override
   {
     return m_high;
   }
@@ -153,13 +153,13 @@ public:
   }
 
   void
-  debug ()
+  debug () final override
   {
     dump (stderr);
   }
 
   void
-  dump (FILE *f, bool details ATTRIBUTE_UNUSED = false)
+  dump (FILE *f, bool details ATTRIBUTE_UNUSED = false) final override
   {
     PRINT_CASE (f, get_low ());
     if (get_low () != get_high ())
@@ -170,12 +170,12 @@ public:
     fprintf (f, " ");
   }
 
-  void emit (tree, tree, tree, basic_block, location_t)
+  void emit (tree, tree, tree, basic_block, location_t) final override
   {
     gcc_unreachable ();
   }
 
-  bool is_single_value_p ()
+  bool is_single_value_p () final override
   {
     return tree_int_cst_equal (get_low (), get_high ());
   }
@@ -224,24 +224,24 @@ public:
   ~group_cluster ();
 
   tree
-  get_low ()
+  get_low () final override
   {
     return m_cases[0]->get_low ();
   }
 
   tree
-  get_high ()
+  get_high () final override
   {
     return m_cases[m_cases.length () - 1]->get_high ();
   }
 
   void
-  debug ()
+  debug () final override
   {
     dump (stderr);
   }
 
-  void dump (FILE *f, bool details = false);
+  void dump (FILE *f, bool details = false) final override;
 
   /* List of simple clusters handled by the group.  */
   vec<simple_cluster *> m_cases;
@@ -261,13 +261,14 @@ public:
   {}
 
   cluster_type
-  get_type ()
+  get_type () final override
   {
     return JUMP_TABLE;
   }
 
   void emit (tree index_expr, tree index_type,
-	     tree default_label_expr, basic_block default_bb, location_t loc);
+	     tree default_label_expr, basic_block default_bb, location_t loc)
+    final override;
 
   /* Find jump tables of given CLUSTERS, where all members of the vector
      are of type simple_cluster.  New clusters are returned.  */
@@ -366,7 +367,7 @@ public:
   {}
 
   cluster_type
-  get_type ()
+  get_type () final override
   {
     return BIT_TEST;
   }
@@ -388,7 +389,8 @@ public:
     There *MUST* be max_case_bit_tests or less unique case
     node targets.  */
   void emit (tree index_expr, tree index_type,
-	     tree default_label_expr, basic_block default_bb, location_t loc);
+	     tree default_label_expr, basic_block default_bb, location_t loc)
+     final override;
 
   /* Find bit tests of given CLUSTERS, where all members of the vector
      are of type simple_cluster.  New clusters are returned.  */