1 files changed, 4 insertions, 21 deletions
diff --git a/Source/JavaScriptCore/heap/IncrementalSweeper.cpp b/Source/JavaScriptCore/heap/IncrementalSweeper.cpp
index bd1342f2a..4aec4dd51 100644
--- a/Source/JavaScriptCore/heap/IncrementalSweeper.cpp
+++ b/Source/JavaScriptCore/heap/IncrementalSweeper.cpp
@@ -48,7 +48,7 @@ static const double sweepTimeMultiplier = 1.0 / sweepTimeTotal;
 IncrementalSweeper::IncrementalSweeper(Heap* heap, CFRunLoopRef runLoop)
     : HeapTimer(heap->globalData(), runLoop)
     , m_currentBlockToSweepIndex(0)
-    , m_structuresCanBeSwept(false)
+    , m_blocksToSweep(heap->m_blockSnapshot)
 {
 }
 
@@ -72,7 +72,6 @@ void IncrementalSweeper::cancelTimer()
 IncrementalSweeper::IncrementalSweeper(Heap* heap)
     : HeapTimer(heap->globalData())
     , m_currentBlockToSweepIndex(0)
-    , m_structuresCanBeSwept(false)
 {
 }
 
@@ -119,10 +118,6 @@ void IncrementalSweeper::sweepNextBlock()
 {
     while (m_currentBlockToSweepIndex < m_blocksToSweep.size()) {
         MarkedBlock* block = m_blocksToSweep[m_currentBlockToSweepIndex++];
-        if (block->onlyContainsStructures())
-            m_structuresCanBeSwept = true;
-        else
-            ASSERT(!m_structuresCanBeSwept);
 
         if (!block->needsSweeping())
             continue;
@@ -133,20 +128,16 @@ void IncrementalSweeper::sweepNextBlock()
     }
 }
 
-void IncrementalSweeper::startSweeping(const HashSet<MarkedBlock*>& blockSnapshot)
+void IncrementalSweeper::startSweeping(Vector<MarkedBlock*>& blockSnapshot)
 {
-    m_blocksToSweep.resize(blockSnapshot.size());
-    CopyFunctor functor(m_blocksToSweep);
-    m_globalData->heap.objectSpace().forEachBlock(functor);
+    m_blocksToSweep = blockSnapshot;
     m_currentBlockToSweepIndex = 0;
-    m_structuresCanBeSwept = false;
     scheduleTimer();
 }
 
 void IncrementalSweeper::willFinishSweeping()
 {
     m_currentBlockToSweepIndex = 0;
-    m_structuresCanBeSwept = true;
     m_blocksToSweep.clear();
     if (m_globalData)
         cancelTimer();
@@ -156,7 +147,6 @@ void IncrementalSweeper::willFinishSweeping()
 
 IncrementalSweeper::IncrementalSweeper(JSGlobalData* globalData)
     : HeapTimer(globalData)
-    , m_structuresCanBeSwept(false)
 {
 }
 
@@ -169,14 +159,12 @@ IncrementalSweeper* IncrementalSweeper::create(Heap* heap)
     return new IncrementalSweeper(heap->globalData());
 }
 
-void IncrementalSweeper::startSweeping(const HashSet<MarkedBlock*>&)
+void IncrementalSweeper::startSweeping(Vector<MarkedBlock*>&)
 {
-    m_structuresCanBeSwept = false;
 }
 
 void IncrementalSweeper::willFinishSweeping()
 {
-    m_structuresCanBeSwept = true;
 }
 
 void IncrementalSweeper::sweepNextBlock()
@@ -185,9 +173,4 @@ void IncrementalSweeper::sweepNextBlock()
 
 #endif
 
-bool IncrementalSweeper::structuresCanBeSwept()
-{
-    return m_structuresCanBeSwept;
-}
-
 } // namespace JSC