webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 7 insertions, 11 deletions

diff --git a/Source/JavaScriptCore/dfg/DFGClobberSet.h b/Source/JavaScriptCore/dfg/DFGClobberSet.h
index 18514f61b..f93e27fdb 100644
--- a/Source/JavaScriptCore/dfg/DFGClobberSet.h
+++ b/Source/JavaScriptCore/dfg/DFGClobberSet.h
@@ -23,10 +23,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
-#ifndef DFGClobberSet_h
-#define DFGClobberSet_h
-
-#include <wtf/Platform.h>
+#pragma once
 
 #if ENABLE(DFG_JIT)
 
@@ -55,11 +52,11 @@ public:
     
     void add(AbstractHeap);
     void addAll(const ClobberSet&);
-    bool contains(AbstractHeap) const;
     bool overlaps(AbstractHeap) const;
     void clear();
     
     // Calls useful for debugging the ClobberSet.
+    // Do not call for non debugging purpose. Otherwise, you must handle DOMState hierarchy carefully.
     
     HashSet<AbstractHeap> direct() const;
     HashSet<AbstractHeap> super() const;
@@ -67,6 +64,8 @@ public:
     void dump(PrintStream&) const;
     
 private:
+    bool contains(AbstractHeap) const;
+
     HashSet<AbstractHeap> setOf(bool direct) const;
     
     // Maps heap to:
@@ -82,7 +81,7 @@ public:
     {
     }
     
-    void operator()(AbstractHeap heap)
+    void operator()(AbstractHeap heap) const
     {
         m_set.add(heap);
     }
@@ -98,7 +97,7 @@ public:
     {
     }
     
-    void operator()(AbstractHeap heap)
+    void operator()(AbstractHeap heap) const
     {
         m_result |= m_set.overlaps(heap);
     }
@@ -107,7 +106,7 @@ public:
     
 private:
     const ClobberSet& m_set;
-    bool m_result;
+    mutable bool m_result;
 };
 
 void addReads(Graph&, Node*, ClobberSet&);
@@ -120,6 +119,3 @@ bool writesOverlap(Graph&, Node*, ClobberSet&);
 } } // namespace JSC::DFG
 
 #endif // ENABLE(DFG_JIT)
-
-#endif // DFGClobberSet_h
-