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 f63475cfa96a780bf2c590f9b63de6d3f58f71a3..e4ade7b97a04eed0248126a084810854e39935f2 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -175,6 +175,9 @@ 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());
@@ -403,6 +406,9 @@ 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_;