1 files changed, 7 insertions, 30 deletions

diff --git a/Source/JavaScriptCore/dfg/DFGDesiredIdentifiers.cpp b/Source/JavaScriptCore/dfg/DFGDesiredIdentifiers.cpp
index 48d77c3e1..f6587f47f 100644
--- a/Source/JavaScriptCore/dfg/DFGDesiredIdentifiers.cpp
+++ b/Source/JavaScriptCore/dfg/DFGDesiredIdentifiers.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013-2015 Apple Inc. All rights reserved.
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -29,20 +29,11 @@
 #if ENABLE(DFG_JIT)
 
 #include "CodeBlock.h"
-#include "DFGCommonData.h"
-#include "JSCInlines.h"
 
 namespace JSC { namespace DFG {
 
-DesiredIdentifiers::DesiredIdentifiers()
-    : m_codeBlock(nullptr)
-    , m_didProcessIdentifiers(false)
-{
-}
-
 DesiredIdentifiers::DesiredIdentifiers(CodeBlock* codeBlock)
     : m_codeBlock(codeBlock)
-    , m_didProcessIdentifiers(false)
 {
 }
 
@@ -55,28 +46,14 @@ unsigned DesiredIdentifiers::numberOfIdentifiers()
     return m_codeBlock->numberOfIdentifiers() + m_addedIdentifiers.size();
 }
 
-unsigned DesiredIdentifiers::ensure(UniquedStringImpl* rep)
+void DesiredIdentifiers::addLazily(StringImpl* rep)
 {
-    if (!m_didProcessIdentifiers) {
-        // Do this now instead of the constructor so that we don't pay the price on the main
-        // thread. Also, not all compilations need to call ensure().
-        for (unsigned index = m_codeBlock->numberOfIdentifiers(); index--;)
-            m_identifierNumberForName.add(m_codeBlock->identifier(index).impl(), index);
-        m_didProcessIdentifiers = true;
-    }
-
-    auto addResult = m_identifierNumberForName.add(rep, numberOfIdentifiers());
-    unsigned result = addResult.iterator->value;
-    if (addResult.isNewEntry) {
-        m_addedIdentifiers.append(rep);
-        ASSERT(at(result) == rep);
-    }
-    return result;
+    m_addedIdentifiers.append(rep);
 }
 
-UniquedStringImpl* DesiredIdentifiers::at(unsigned index) const
+StringImpl* DesiredIdentifiers::at(unsigned index) const
 {
-    UniquedStringImpl* result;
+    StringImpl* result;
     if (index < m_codeBlock->numberOfIdentifiers())
         result = m_codeBlock->identifier(index).impl();
     else
@@ -88,9 +65,9 @@ UniquedStringImpl* DesiredIdentifiers::at(unsigned index) const
 void DesiredIdentifiers::reallyAdd(VM& vm, CommonData* commonData)
 {
     for (unsigned i = 0; i < m_addedIdentifiers.size(); ++i) {
-        auto rep = m_addedIdentifiers[i];
+        StringImpl* rep = m_addedIdentifiers[i];
         ASSERT(rep->hasAtLeastOneRef());
-        commonData->dfgIdentifiers.append(Identifier::fromUid(&vm, rep));
+        commonData->dfgIdentifiers.append(Identifier(&vm, rep));
     }
 }