Revert of [compiler] Properly guard the speculative optimizations for instanceof.

src/full-codegen/arm/full-codegen-arm.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.
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/full-codegen/full-codegen.h"
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
@@ skipping 3420 matching lines @@
       EmitHasProperty();
       PrepareForBailoutBeforeSplit(expr, false, NULL, NULL);
       __ CompareRoot(r0, Heap::kTrueValueRootIndex);
       Split(eq, if_true, if_false, fall_through);
       break;
 
     case Token::INSTANCEOF: {
       VisitForAccumulatorValue(expr->right());
       SetExpressionPosition(expr);
       PopOperand(r1);
-      __ EmitLoadTypeFeedbackVector(r3);
-      __ mov(r4, Operand(SlotToIndex(expr->CompareOperationFeedbackSlot())));
-      InstanceOfWithFeedbackStub stub(isolate());
+      InstanceOfStub stub(isolate());
       __ CallStub(&stub);
       PrepareForBailoutBeforeSplit(expr, false, NULL, NULL);
       __ CompareRoot(r0, Heap::kTrueValueRootIndex);
       Split(eq, if_true, if_false, fall_through);
       break;
     }
 
     default: {
       VisitForAccumulatorValue(expr->right());
       SetExpressionPosition(expr);
@@ skipping 302 matching lines @@
   DCHECK(interrupt_address ==
          isolate->builtins()->OnStackReplacement()->entry());
   return ON_STACK_REPLACEMENT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM