From a8b6d60cdd0a1254320fd788ce95e827e35eec2c Mon Sep 17 00:00:00 2001
From: Kannan Vijayan <kvijayan@mozilla.com>
Date: Thu, 12 Mar 2015 12:13:16 -0400
Subject: [PATCH] Bug 1134515 - Ensure SPSBaselineOSRMarker checks pseudostack
 size properly. r=shu

---
 js/src/vm/SPSProfiler.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/js/src/vm/SPSProfiler.cpp b/js/src/vm/SPSProfiler.cpp
index 332c2c2f8fd..f365cc49e13 100644
--- a/js/src/vm/SPSProfiler.cpp
+++ b/js/src/vm/SPSProfiler.cpp
@@ -358,7 +358,9 @@ SPSBaselineOSRMarker::SPSBaselineOSRMarker(JSRuntime *rt, bool hasSPSFrame
     : profiler(&rt->spsProfiler)
 {
     MOZ_GUARD_OBJECT_NOTIFIER_INIT;
-    if (!hasSPSFrame || !profiler->enabled()) {
+    if (!hasSPSFrame || !profiler->enabled() ||
+        profiler->size() >= profiler->maxSize())
+    {
         profiler = nullptr;
         return;
     }