[TypeFeedbackVector] Root feedback vectors at function literal site.

src/ia32/macro-assembler-ia32.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_IA32
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 1012 matching lines @@
     mov(ebp, esp);
     push(esi);  // Callee's context.
     push(edi);  // Callee's JS function.
   }
 }
 
 
 void MacroAssembler::EmitLoadTypeFeedbackVector(Register vector) {
   mov(vector, Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
   mov(vector, FieldOperand(vector, JSFunction::kFeedbackVectorOffset));
+  mov(vector, FieldOperand(vector, Cell::kValueOffset));
 }
 
 
 void MacroAssembler::EnterFrame(StackFrame::Type type,
                                 bool load_constant_pool_pointer_reg) {
   // Out-of-line constant pool not implemented on ia32.
   UNREACHABLE();
 }
 
 
@@ skipping 1914 matching lines @@
   mov(eax, dividend);
   shr(eax, 31);
   add(edx, eax);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32