From 73d81098da37c4841776c9d443968ca29f2acc13 Mon Sep 17 00:00:00 2001
From: "hpayer@chromium.org"
 <hpayer@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Fri, 12 Apr 2013 11:14:48 +0000
Subject: [PATCH] Turn off pre-tenuring of fast literals when we turn off high
 promotion mode.

BUG=

Review URL: https://codereview.chromium.org/14199003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14251 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---
 src/heap.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/heap.cc b/src/heap.cc
index 3c88980..670097e 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -970,6 +970,11 @@ bool Heap::PerformGarbageCollection(GarbageCollector collector,
       PrintPID("Unlimited new space size due to low promotion rate: %d MB\n",
                new_space_.MaximumCapacity() / MB);
     }
+    // Trigger deoptimization here to turn off pre-tenuring as soon as
+    // possible.
+    if (FLAG_pretenure_literals) {
+      isolate_->stack_guard()->FullDeopt();
+    }
   }
 
   if (new_space_high_promotion_mode_active_ &&
-- 
2.7.4