From be3a33f0bbf8ae67855a4ae65ab83680a5b9403b Mon Sep 17 00:00:00 2001
From: Chris Leary <cdleary@mozilla.com>
Date: Thu, 1 Dec 2011 17:59:50 -0800
Subject: [PATCH] Bug 706442: Shorten LifoAlloc chunk chain. (r=luke)

---
 js/src/ds/LifoAlloc.cpp | 7 +++----
 js/src/ds/LifoAlloc.h   | 3 ++-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/js/src/ds/LifoAlloc.cpp b/js/src/ds/LifoAlloc.cpp
index 872c2172fb72..1c14e318f86e 100644
--- a/js/src/ds/LifoAlloc.cpp
+++ b/js/src/ds/LifoAlloc.cpp
@@ -140,11 +140,10 @@ LifoAlloc::freeUnused()
     }
 
     /* Free all chunks after |latest|. */
-    size_t freed = 0;
-    for (BumpChunk *victim = latest->next(); victim; victim = victim->next()) {
+    for (BumpChunk *victim = latest->next(); victim; victim = victim->next())
         BumpChunk::delete_(victim);
-        freed++;
-    }
+
+    latest->setNext(NULL);
 }
 
 LifoAlloc::BumpChunk *
diff --git a/js/src/ds/LifoAlloc.h b/js/src/ds/LifoAlloc.h
index 3cc76c9dc108..e5a96326a430 100644
--- a/js/src/ds/LifoAlloc.h
+++ b/js/src/ds/LifoAlloc.h
@@ -325,7 +325,8 @@ class LifoAlloc
     void *reallocUnaligned(void *origPtr, size_t origSize, size_t incr);
 };
 
-class LifoAllocScope {
+class LifoAllocScope
+{
     LifoAlloc   *lifoAlloc;
     void        *mark;
     bool        shouldRelease;