[TypeFeedbackVector] Root feedback vectors at function literal site.

src/arm/macro-assembler-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.
 
 #include <limits.h>  // For LONG_MIN, LONG_MAX.
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
@@ skipping 1413 matching lines @@
   if (FLAG_enable_embedded_constant_pool) {
     LoadConstantPoolPointerRegister();
     set_constant_pool_available(true);
   }
 }
 
 
 void MacroAssembler::EmitLoadTypeFeedbackVector(Register vector) {
   ldr(vector, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
   ldr(vector, FieldMemOperand(vector, JSFunction::kFeedbackVectorOffset));
+  ldr(vector, FieldMemOperand(vector, Cell::kValueOffset));
 }
 
 
 void MacroAssembler::EnterFrame(StackFrame::Type type,
                                 bool load_constant_pool_pointer_reg) {
   // r0-r3: preserved
   mov(ip, Operand(Smi::FromInt(type)));
   PushCommonFrame(ip);
   if (FLAG_enable_embedded_constant_pool && load_constant_pool_pointer_reg) {
     LoadConstantPoolPointerRegister();
@@ skipping 2433 matching lines @@
     }
   }
   if (mag.shift > 0) mov(result, Operand(result, ASR, mag.shift));
   add(result, result, Operand(dividend, LSR, 31));
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM