[presubmit] Enabling readability/inheritance linter checking.

src/ast.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/ast.h"
 
 #include <cmath>  // For isfinite.
 #include "src/builtins.h"
 #include "src/code-stubs.h"
 #include "src/contexts.h"
@@ skipping 924 matching lines @@
 
 // Convert regular expression trees to a simple sexp representation.
 // This representation should be different from the input grammar
 // in as many cases as possible, to make it more difficult for incorrect
 // parses to look as correct ones which is likely if the input and
 // output formats are alike.
 class RegExpUnparser final : public RegExpVisitor {
  public:
   RegExpUnparser(std::ostream& os, Zone* zone) : os_(os), zone_(zone) {}
   void VisitCharacterRange(CharacterRange that);
-#define MAKE_CASE(Name) \
-  virtual void* Visit##Name(RegExp##Name*, void* data) override;
+#define MAKE_CASE(Name) void* Visit##Name(RegExp##Name*, void* data) override;
   FOR_EACH_REG_EXP_TREE_TYPE(MAKE_CASE)
 #undef MAKE_CASE
  private:
   std::ostream& os_;
   Zone* zone_;
 };
 
 
 void* RegExpUnparser::VisitDisjunction(RegExpDisjunction* that, void* data) {
   os_ << "(|";
@@ skipping 196 matching lines @@
 bool Literal::Match(void* literal1, void* literal2) {
   const AstValue* x = static_cast<Literal*>(literal1)->raw_value();
   const AstValue* y = static_cast<Literal*>(literal2)->raw_value();
   return (x->IsString() && y->IsString() && x->AsString() == y->AsString()) ||
          (x->IsNumber() && y->IsNumber() && x->AsNumber() == y->AsNumber());
 }
 
 
 }  // namespace internal
 }  // namespace v8