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      <base href="https://bugs.webkit.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - REGRESSION(r202157): ASSERTION FAILED: !codeBlock-&gt;m_didFailJITCompilation on executableAllocationFuzz.yaml/executableAllocationFuzz/v8-raytrace.js.executable-allocation-fuzz-default"
   href="https://bugs.webkit.org/show_bug.cgi?id=158959">158959</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>REGRESSION(r202157): ASSERTION FAILED: !codeBlock-&gt;m_didFailJITCompilation on executableAllocationFuzz.yaml/executableAllocationFuzz/v8-raytrace.js.executable-allocation-fuzz-default
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>JavaScriptCore
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>ap&#64;webkit.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>fpizlo&#64;apple.com, webkit-bug-importer&#64;group.apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>executableAllocationFuzz.yaml/executableAllocationFuzz/v8-raytrace.js.executable-allocation-fuzz-default very frequently asserts in debug builds.

ASSERTION FAILED: !codeBlock-&gt;m_didFailJITCompilation
/Volumes/Data/slave/elcapitan-debug/build/Source/JavaScriptCore/jit/JITWorklist.cpp(205) : void JSC::JITWorklist::compileNow(JSC::CodeBlock *)
1   0x10e375480 WTFCrash
2   0x10ded9638 JSC::JITWorklist::compileNow(JSC::CodeBlock*)
3   0x10d9af4db JSC::DFG::prepareCodeOriginForOSRExit(JSC::ExecState*, JSC::CodeOrigin)
4   0x10d99de79 compileOSRExit
5   0x38a6ee40531b
6   0x38a6ee4160ba
7   0x38a6ee423cb3
8   0x10df99a3f llint_entry
9   0x10df99ab9 llint_entry
10  0x10df99ab9 llint_entry
11  0x10df92b2e vmEntryToJavaScript
12  0x10dd8493a JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
13  0x10dd0edd8 JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*)
14  0x10d68d110 JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&amp;, JSC::JSValue, WTF::NakedPtr&lt;JSC::Exception&gt;&amp;)
15  0x10d1b8c4c runWithScripts(GlobalObject*, WTF::Vector&lt;Script, 0ul, WTF::CrashOnOverflow, 16ul&gt; const&amp;, WTF::String const&amp;, bool, bool)
16  0x10d1b80d7 runJSC(JSC::VM*, CommandLine)
17  0x10d1b719a jscmain(int, char**)
18  0x10d1b704b main
19  0x7fff970745ad start
Failure for command ../../../.vm/JavaScriptCore.framework/Resources/jsc v8-raytrace.js with seed 1466224696, repeat 20: Cannot execute command on iteration 6, status 11 for target 1 at ../../../.helpers/js-executable-allocation-fuzz line 65.
ERROR: Unexpected exit code: 255</pre>
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