Make graph delegate visitor classes final.

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Bug: 181943478
Change-Id: I204e34d992473063ef075f2cf9e57dc8b1082274

4 files changed, 4 insertions, 4 deletions

diff --git a/compiler/optimizing/graph_checker.h b/compiler/optimizing/graph_checker.h
index 5704bcec1a..541a9cc3d2 100644
--- a/compiler/optimizing/graph_checker.h
+++ b/compiler/optimizing/graph_checker.h
@@ -30,7 +30,7 @@ namespace art HIDDEN {
 class CodeGenerator;
 
 // A control-flow graph visitor performing various checks.
-class GraphChecker : public HGraphDelegateVisitor {
+class GraphChecker final : public HGraphDelegateVisitor {
  public:
   explicit GraphChecker(HGraph* graph,
                         CodeGenerator* codegen = nullptr,
diff --git a/compiler/optimizing/graph_visualizer.cc b/compiler/optimizing/graph_visualizer.cc
index afbf941355..6696c1ef17 100644
--- a/compiler/optimizing/graph_visualizer.cc
+++ b/compiler/optimizing/graph_visualizer.cc
@@ -195,7 +195,7 @@ class HGraphVisualizerDisassembler {
 /**
  * HGraph visitor to generate a file suitable for the c1visualizer tool and IRHydra.
  */
-class HGraphVisualizerPrinter : public HGraphDelegateVisitor {
+class HGraphVisualizerPrinter final : public HGraphDelegateVisitor {
  public:
   HGraphVisualizerPrinter(HGraph* graph,
                           std::ostream& output,
diff --git a/compiler/optimizing/prepare_for_register_allocation.h b/compiler/optimizing/prepare_for_register_allocation.h
index 0426f8470b..f53c8a1285 100644
--- a/compiler/optimizing/prepare_for_register_allocation.h
+++ b/compiler/optimizing/prepare_for_register_allocation.h
@@ -30,7 +30,7 @@ class OptimizingCompilerStats;
  * For example it changes uses of null checks and bounds checks to the original
  * objects, to avoid creating a live range for these checks.
  */
-class PrepareForRegisterAllocation : public HGraphDelegateVisitor {
+class PrepareForRegisterAllocation final : public HGraphDelegateVisitor {
  public:
   PrepareForRegisterAllocation(HGraph* graph,
                                const CompilerOptions& compiler_options,
diff --git a/compiler/optimizing/profiling_info_builder.h b/compiler/optimizing/profiling_info_builder.h
index c8dc59a03c..ca1c8dd431 100644
--- a/compiler/optimizing/profiling_info_builder.h
+++ b/compiler/optimizing/profiling_info_builder.h
@@ -28,7 +28,7 @@ class HInliner;
 class InlineCache;
 class ProfilingInfo;
 
-class ProfilingInfoBuilder : public HGraphDelegateVisitor {
+class ProfilingInfoBuilder final : public HGraphDelegateVisitor {
  public:
   ProfilingInfoBuilder(HGraph* graph,
                        const CompilerOptions& compiler_options,