Revert "Continued fix for 351257. Reusing the feedback vector is too complex."

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index e4ade7b97a04eed0248126a084810854e39935f2..f63475cfa96a780bf2c590f9b63de6d3f58f71a3 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -175,9 +175,6 @@ class CompilationInfo {
     ASSERT(global_scope_ == NULL);
     global_scope_ = global_scope;
   }
-  Handle<FixedArray> feedback_vector() const {
-    return feedback_vector_;
-  }
   void SetCode(Handle<Code> code) { code_ = code; }
   void SetExtension(v8::Extension* extension) {
     ASSERT(!is_lazy());
@@ -406,9 +403,6 @@ class CompilationInfo {
   // global script. Will be a null handle otherwise.
   Handle<Context> context_;
 
-  // Used by codegen, ultimately kept rooted by the SharedFunctionInfo.
-  Handle<FixedArray> feedback_vector_;
-
   // Compilation mode flag and whether deoptimization is allowed.
   Mode mode_;
   BailoutId osr_ast_id_;