Adding a type vector to replace type cells.

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index a2bc186d61a622b1f2f32aff6072c638360131b1..cca4d6a29556dfb492bdb068d64e27b88bde0b00 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -45,6 +45,7 @@
 #include "deoptimizer.h"
 #include "date.h"
 #include "execution.h"
+#include "feedbackslots.h"
 #include "full-codegen.h"
 #include "global-handles.h"
 #include "isolate-inl.h"
@@ -8472,7 +8473,7 @@ RUNTIME_FUNCTION(MaybeObject*, Runtime_ClearFunctionTypeFeedback) {
   Code* unoptimized = function->shared()->code();
   if (unoptimized->kind() == Code::FUNCTION) {
     unoptimized->ClearInlineCaches();
-    unoptimized->ClearTypeFeedbackCells(isolate->heap());
+    unoptimized->ClearTypeFeedbackInfo(isolate->heap());
   }
   return isolate->heap()->undefined_value();
 }
@@ -11766,14 +11767,16 @@ class ScopeIterator {
           info.MarkAsEval();
           info.SetContext(Handle<Context>(function_->context()));
         }
-        if (Parser::Parse(&info) && Scope::Analyze(&info)) {
+        if (Parser::Parse(&info) && Scope::Analyze(&info) &&
+            FeedbackSlotAllocator::Run(&info)) {
           scope = info.function()->scope();
         }
         RetrieveScopeChain(scope, shared_info);
       } else {
         // Function code
         CompilationInfoWithZone info(shared_info);
-        if (Parser::Parse(&info) && Scope::Analyze(&info)) {
+        if (Parser::Parse(&info) && Scope::Analyze(&info) &&
+            FeedbackSlotAllocator::Run(&info)) {
           scope = info.function()->scope();
         }
         RetrieveScopeChain(scope, shared_info);