From 1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@lorry>
Date: Tue, 27 Jun 2017 06:07:23 +0000
Subject: webkitgtk-2.16.5

---
 Source/JavaScriptCore/dfg/DFGMinifiedID.h | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

(limited to 'Source/JavaScriptCore/dfg/DFGMinifiedID.h')

diff --git a/Source/JavaScriptCore/dfg/DFGMinifiedID.h b/Source/JavaScriptCore/dfg/DFGMinifiedID.h
index 24ea25645..f741e7e1f 100644
--- a/Source/JavaScriptCore/dfg/DFGMinifiedID.h
+++ b/Source/JavaScriptCore/dfg/DFGMinifiedID.h
@@ -23,12 +23,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
-#ifndef DFGMinifiedID_h
-#define DFGMinifiedID_h
-
-#include <wtf/Platform.h>
-
-#if ENABLE(DFG_JIT)
+#pragma once
 
 #include "DFGCommon.h"
 #include <wtf/HashMap.h>
@@ -39,6 +34,7 @@ namespace JSC { namespace DFG {
 class Graph;
 class MinifiedNode;
 class ValueSource;
+struct Node;
 
 class MinifiedID {
 public:
@@ -100,11 +96,8 @@ template<> struct DefaultHash<JSC::DFG::MinifiedID> {
 };
 
 template<typename T> struct HashTraits;
-template<> struct HashTraits<JSC::DFG::MinifiedID> : SimpleClassHashTraits<JSC::DFG::MinifiedID> { };
+template<> struct HashTraits<JSC::DFG::MinifiedID> : SimpleClassHashTraits<JSC::DFG::MinifiedID> {
+    static const bool emptyValueIsZero = false;
+};
 
 } // namespace WTF
-
-#endif // ENABLE(DFG_JIT)
-
-#endif // DFGMinifiedID_h
-
-- 
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