Reland "Use V8_FINAL and V8_OVERRIDE in various places, fixing bugs revealed by them.".

src/ia32/lithium-codegen-ia32.h

Index: src/ia32/lithium-codegen-ia32.h
diff --git a/src/ia32/lithium-codegen-ia32.h b/src/ia32/lithium-codegen-ia32.h
index aa8f6c248a361f9a23b2ccaf8b9a93de7f8c5655..e498f5363edb948264f1e5bde974fb979eed43ef 100644
--- a/src/ia32/lithium-codegen-ia32.h
+++ b/src/ia32/lithium-codegen-ia32.h
@@ -45,7 +45,7 @@ class LDeferredCode;
 class LGapNode;
 class SafepointGenerator;
 
-class LCodeGen BASE_EMBEDDED {
+class LCodeGen V8_FINAL BASE_EMBEDDED {
  public:
   LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info)
       : zone_(info->zone()),
@@ -452,7 +452,7 @@ class LCodeGen BASE_EMBEDDED {
 
   int old_position_;
 
-  class PushSafepointRegistersScope BASE_EMBEDDED {
+  class PushSafepointRegistersScope V8_FINAL  BASE_EMBEDDED {
    public:
     explicit PushSafepointRegistersScope(LCodeGen* codegen)
         : codegen_(codegen) {
@@ -479,7 +479,7 @@ class LCodeGen BASE_EMBEDDED {
 };
 
 
-class LDeferredCode: public ZoneObject {
+class LDeferredCode : public ZoneObject {
  public:
   explicit LDeferredCode(LCodeGen* codegen)
       : codegen_(codegen),
@@ -488,7 +488,7 @@ class LDeferredCode: public ZoneObject {
     codegen->AddDeferredCode(this);
   }
 
-  virtual ~LDeferredCode() { }
+  virtual ~LDeferredCode() {}
   virtual void Generate() = 0;
   virtual LInstruction* instr() = 0;