[runtime] Replace COMPARE/COMPARE_STRONG with proper Object::Compare.

src/full-codegen/full-codegen.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/full-codegen/full-codegen.h"
 
 #include "src/ast.h"
 #include "src/ast-numbering.h"
 #include "src/code-factory.h"
 #include "src/codegen.h"
@@ skipping 480 matching lines @@
   DCHECK(args->length() == 2);
   VisitForStackValue(args->at(0));
   VisitForStackValue(args->at(1));
 
   MathPowStub stub(isolate(), MathPowStub::ON_STACK);
   __ CallStub(&stub);
   context()->Plug(result_register());
 }
 
 
-void FullCodeGenerator::EmitStringCompare(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK_EQ(2, args->length());
-
-  VisitForStackValue(args->at(0));
-  VisitForStackValue(args->at(1));
-
-  StringCompareStub stub(isolate());
-  __ CallStub(&stub);
-  context()->Plug(result_register());
-}
-
-
 bool RecordStatementPosition(MacroAssembler* masm, int pos) {
   if (pos == RelocInfo::kNoPosition) return false;
   masm->positions_recorder()->RecordStatementPosition(pos);
   masm->positions_recorder()->RecordPosition(pos);
   return masm->positions_recorder()->WriteRecordedPositions();
 }
 
 
 bool RecordPosition(MacroAssembler* masm, int pos) {
   if (pos == RelocInfo::kNoPosition) return false;
@@ skipping 1113 matching lines @@
   return var->mode() == CONST_LEGACY || var->scope()->is_nonlinear() ||
          var->initializer_position() >= proxy->position();
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8