[TypeFeedbackVector] Root feedback vectors at function literal site.

src/full-codegen/x64/full-codegen-x64.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_X64
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/scopes.h"
 #include "src/builtins/builtins-constructor.h"
 #include "src/code-factory.h"
@@ skipping 104 matching lines @@
   // the frame (that is done below).
   FrameScope frame_scope(masm_, StackFrame::MANUAL);
 
   info->set_prologue_offset(masm_->pc_offset());
   __ Prologue(info->GeneratePreagedPrologue());
 
   // Increment invocation count for the function.
   {
     Comment cmnt(masm_, "[ Increment invocation count");
     __ movp(rcx, FieldOperand(rdi, JSFunction::kFeedbackVectorOffset));
+    __ movp(rcx, FieldOperand(rcx, Cell::kValueOffset));
     __ SmiAddConstant(
         FieldOperand(rcx,
                      TypeFeedbackVector::kInvocationCountIndex * kPointerSize +
                          TypeFeedbackVector::kHeaderSize),
         Smi::FromInt(1));
   }
 
   { Comment cmnt(masm_, "[ Allocate locals");
     int locals_count = info->scope()->num_stack_slots();
     OperandStackDepthIncrement(locals_count);
@@ skipping 2627 matching lines @@
   DCHECK_EQ(
       isolate->builtins()->OnStackReplacement()->entry(),
       Assembler::target_address_at(call_target_address, unoptimized_code));
   return ON_STACK_REPLACEMENT;
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64