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<title>[196437] trunk/Source/JavaScriptCore</title>
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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/196437">196437</a></dd>
<dt>Author</dt> <dd>fpizlo@apple.com</dd>
<dt>Date</dt> <dd>2016-02-11 14:09:27 -0800 (Thu, 11 Feb 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Cannot call initializeIndex() if we didn't create the array using tryCreateUninitialized()
https://bugs.webkit.org/show_bug.cgi?id=154126
Reviewed by Saam Barati.
* runtime/ArrayPrototype.cpp:
(JSC::arrayProtoFuncSplice):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCoreruntimeArrayPrototypecpp">trunk/Source/JavaScriptCore/runtime/ArrayPrototype.cpp</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (196436 => 196437)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2016-02-11 21:45:36 UTC (rev 196436)
+++ trunk/Source/JavaScriptCore/ChangeLog 2016-02-11 22:09:27 UTC (rev 196437)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2016-02-11 Filip Pizlo <fpizlo@apple.com>
+
+ Cannot call initializeIndex() if we didn't create the array using tryCreateUninitialized()
+ https://bugs.webkit.org/show_bug.cgi?id=154126
+
+ Reviewed by Saam Barati.
+
+ * runtime/ArrayPrototype.cpp:
+ (JSC::arrayProtoFuncSplice):
+
</ins><span class="cx"> 2016-02-11 Sukolsak Sakshuwong <sukolsak@gmail.com>
</span><span class="cx">
</span><span class="cx"> [INTL] Implement Intl.NumberFormat.prototype.resolvedOptions ()
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreruntimeArrayPrototypecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/runtime/ArrayPrototype.cpp (196436 => 196437)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/runtime/ArrayPrototype.cpp 2016-02-11 21:45:36 UTC (rev 196436)
+++ trunk/Source/JavaScriptCore/runtime/ArrayPrototype.cpp 2016-02-11 22:09:27 UTC (rev 196437)
</span><span class="lines">@@ -1,6 +1,6 @@
</span><span class="cx"> /*
</span><span class="cx"> * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
</span><del>- * Copyright (C) 2003, 2007, 2008, 2009, 2011, 2013, 2015 Apple Inc. All rights reserved.
</del><ins>+ * Copyright (C) 2003, 2007-2009, 2011, 2013, 2015-2016 Apple Inc. All rights reserved.
</ins><span class="cx"> * Copyright (C) 2003 Peter Kelly (pmk@post.com)
</span><span class="cx"> * Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
</span><span class="cx"> *
</span><span class="lines">@@ -905,20 +905,29 @@
</span><span class="cx"> result = asArray(thisObj)->fastSlice(*exec, begin, deleteCount);
</span><span class="cx">
</span><span class="cx"> if (!result) {
</span><del>- if (speciesResult.first == SpeciesConstructResult::CreatedObject)
</del><ins>+ if (speciesResult.first == SpeciesConstructResult::CreatedObject) {
</ins><span class="cx"> result = speciesResult.second;
</span><del>- else {
</del><ins>+
+ for (unsigned k = 0; k < deleteCount; ++k) {
+ JSValue v = getProperty(exec, thisObj, k + begin);
+ if (exec->hadException())
+ return JSValue::encode(jsUndefined());
+ result->putByIndexInline(exec, k, v, true);
+ if (exec->hadException())
+ return JSValue::encode(jsUndefined());
+ }
+ } else {
</ins><span class="cx"> result = JSArray::tryCreateUninitialized(vm, exec->lexicalGlobalObject()->arrayStructureForIndexingTypeDuringAllocation(ArrayWithUndecided), deleteCount);
</span><span class="cx"> if (!result)
</span><span class="cx"> return JSValue::encode(throwOutOfMemoryError(exec));
</span><ins>+
+ for (unsigned k = 0; k < deleteCount; ++k) {
+ JSValue v = getProperty(exec, thisObj, k + begin);
+ if (exec->hadException())
+ return JSValue::encode(jsUndefined());
+ result->initializeIndex(vm, k, v);
+ }
</ins><span class="cx"> }
</span><del>-
- for (unsigned k = 0; k < deleteCount; ++k) {
- JSValue v = getProperty(exec, thisObj, k + begin);
- if (exec->hadException())
- return JSValue::encode(jsUndefined());
- result->initializeIndex(vm, k, v);
- }
</del><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> unsigned additionalArgs = std::max<int>(exec->argumentCount() - 2, 0);
</span></span></pre>
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