Simplify feedback vector creation and store in SharedFunctionInfo.

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index dcaf66552f62d04f83b4f5e5beb9a42000d29c4f..93c574febc3bef1b4dda133552e5d5a46836065c 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -7447,6 +7447,7 @@ bool HOptimizedGraphBuilder::TryInline(Handle<JSFunction> target,
       target_shared->set_scope_info(*target_scope_info);
     }
     target_shared->EnableDeoptimizationSupport(*target_info.code());
+    target_shared->set_feedback_vector(*target_info.feedback_vector());
     Compiler::RecordFunctionCompilation(Logger::FUNCTION_TAG,
                                         &target_info,
                                         target_shared);