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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/206610">206610</a></dd>
<dt>Author</dt> <dd>joepeck@webkit.org</dd>
<dt>Date</dt> <dd>2016-09-29 13:33:21 -0700 (Thu, 29 Sep 2016)</dd>
</dl>
<h3>Log Message</h3>
<pre>Arrow functions do not infer name from computed property but normal functions do
https://bugs.webkit.org/show_bug.cgi?id=162720
Reviewed by Saam Barati.
JSTests:
* stress/inferred-names.js:
Source/JavaScriptCore:
* bytecompiler/BytecodeGenerator.cpp:
(JSC::BytecodeGenerator::emitSetFunctionNameIfNeeded):
Set function name on arrow functions as well.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkJSTestsChangeLog">trunk/JSTests/ChangeLog</a></li>
<li><a href="#trunkJSTestsstressinferrednamesjs">trunk/JSTests/stress/inferred-names.js</a></li>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCorebytecompilerBytecodeGeneratorcpp">trunk/Source/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkJSTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/JSTests/ChangeLog (206609 => 206610)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/JSTests/ChangeLog        2016-09-29 20:21:54 UTC (rev 206609)
+++ trunk/JSTests/ChangeLog        2016-09-29 20:33:21 UTC (rev 206610)
</span><span class="lines">@@ -1,3 +1,12 @@
</span><ins>+2016-09-29 Joseph Pecoraro <pecoraro@apple.com>
+
+ Arrow functions do not infer name from computed property but normal functions do
+ https://bugs.webkit.org/show_bug.cgi?id=162720
+
+ Reviewed by Saam Barati.
+
+ * stress/inferred-names.js:
+
</ins><span class="cx"> 2016-09-29 Mark Lam <mark.lam@apple.com>
</span><span class="cx">
</span><span class="cx"> Break some slow running tests into smaller bits so they don't time out.
</span></span></pre></div>
<a id="trunkJSTestsstressinferrednamesjs"></a>
<div class="modfile"><h4>Modified: trunk/JSTests/stress/inferred-names.js (206609 => 206610)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/JSTests/stress/inferred-names.js        2016-09-29 20:21:54 UTC (rev 206609)
+++ trunk/JSTests/stress/inferred-names.js        2016-09-29 20:33:21 UTC (rev 206610)
</span><span class="lines">@@ -70,9 +70,8 @@
</span><span class="cx">
</span><span class="cx"> assert( ({"func": ()=>{}}).func.name === "func" );
</span><span class="cx"> assert( ({func: ()=>{}}).func.name === "func" );
</span><del>-// FIXME: <https://webkit.org/b/162720> Arrow functions do not infer name from computed property but normal functions do
-// assert( ({["func"]: ()=>{}}).func.name === "func" );
-// assert( ({[funcName()]: ()=>{}}).func.name === "func" );
</del><ins>+assert( ({["func"]: ()=>{}}).func.name === "func" );
+assert( ({[funcName()]: ()=>{}}).func.name === "func" );
</ins><span class="cx">
</span><span class="cx"> assert( ({"klass": class{}}).klass.name === "klass" );
</span><span class="cx"> assert( ({klass: class{}}).klass.name === "klass" );
</span></span></pre></div>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (206609 => 206610)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog        2016-09-29 20:21:54 UTC (rev 206609)
+++ trunk/Source/JavaScriptCore/ChangeLog        2016-09-29 20:33:21 UTC (rev 206610)
</span><span class="lines">@@ -1,5 +1,16 @@
</span><span class="cx"> 2016-09-29 Joseph Pecoraro <pecoraro@apple.com>
</span><span class="cx">
</span><ins>+ Arrow functions do not infer name from computed property but normal functions do
+ https://bugs.webkit.org/show_bug.cgi?id=162720
+
+ Reviewed by Saam Barati.
+
+ * bytecompiler/BytecodeGenerator.cpp:
+ (JSC::BytecodeGenerator::emitSetFunctionNameIfNeeded):
+ Set function name on arrow functions as well.
+
+2016-09-29 Joseph Pecoraro <pecoraro@apple.com>
+
</ins><span class="cx"> test262: class and function names should be inferred in assignment
</span><span class="cx"> https://bugs.webkit.org/show_bug.cgi?id=146262
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceJavaScriptCorebytecompilerBytecodeGeneratorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp (206609 => 206610)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp        2016-09-29 20:21:54 UTC (rev 206609)
+++ trunk/Source/JavaScriptCore/bytecompiler/BytecodeGenerator.cpp        2016-09-29 20:33:21 UTC (rev 206610)
</span><span class="lines">@@ -3044,8 +3044,8 @@
</span><span class="cx">
</span><span class="cx"> void BytecodeGenerator::emitSetFunctionNameIfNeeded(ExpressionNode* valueNode, RegisterID* value, RegisterID* name)
</span><span class="cx"> {
</span><del>- if (valueNode->isFuncExprNode()) {
- FunctionMetadataNode* metadata = static_cast<FuncExprNode*>(valueNode)->metadata();
</del><ins>+ if (valueNode->isBaseFuncExprNode()) {
+ FunctionMetadataNode* metadata = static_cast<BaseFuncExprNode*>(valueNode)->metadata();
</ins><span class="cx"> if (!metadata->ecmaName().isNull())
</span><span class="cx"> return;
</span><span class="cx"> } else if (valueNode->isClassExprNode()) {
</span></span></pre>
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