Collect type feedback in separate pass and store it in AST

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 76fb726c19dce42022ee63d7a3ce7b773200030e..30219c90b85d9e0394ca113c650b333466e66011 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -36,6 +36,7 @@
 #include "deoptimizer.h"
 #include "full-codegen.h"
 #include "gdb-jit.h"
+#include "typing.h"
 #include "hydrogen.h"
 #include "isolate-inl.h"
 #include "lithium.h"
@@ -358,11 +359,11 @@ OptimizingCompiler::Status OptimizingCompiler::CreateGraph() {
     PrintF("Compiling method %s using hydrogen\n", *name->ToCString());
     isolate()->GetHTracer()->TraceCompilation(info());
   }
-  Handle<Context> native_context(
-      info()->closure()->context()->native_context());
-  oracle_ = new(info()->zone()) TypeFeedbackOracle(
-      code, native_context, isolate(), info()->zone());
-  graph_builder_ = new(info()->zone()) HOptimizedGraphBuilder(info(), oracle_);
+
+  // Type-check the function.
+  AstTyper::Type(info());
+
+  graph_builder_ = new(info()->zone()) HOptimizedGraphBuilder(info());
 
   Timer t(this, &time_taken_to_create_graph_);
   graph_ = graph_builder_->CreateGraph();