<html>
    <head>
      <base href="https://bugs.webkit.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Failed jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js when we don't use YarrJIT"
   href="https://bugs.webkit.org/show_bug.cgi?id=147031">147031</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Failed jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js when we don't use YarrJIT
          </td>
        </tr>

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

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

        <tr>
          <th>Version</th>
          <td>528+ (Nightly build)
          </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>mark.lam&#64;apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Steps to reproduce:
1. Modify Platform.h and #define ENABLE_YARR_JIT 0
2. Build with Tools/Scripts/build-jsc --debug --no-ftl-jit
3. Run Tools/Scripts/run-javascriptcore-tests --debug --no-build

You'll see the following failures:
** The following JSC stress test failures have been introduced:
    jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout
    jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout-dfg-eager-no-cjit
    jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout-ftl
    jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout-ftl-eager-no-cjit
    jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout-ftl-no-cjit
    jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout-no-cjit
    jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout-no-llint

Here's an example crash trace:

jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout-no-llint: ERROR: Unexpected exit code: 139
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: This page tests handling of parentheses subexpressions.
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: On success, you will see a series of &quot;PASS&quot; messages, followed by &quot;TEST COMPLETE&quot;.
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: PASS regexp1.exec('abc') is ['ab','a','b']
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: PASS regexp2.exec('abacadabe') is ['abe','ab','b','b']
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: PASS regexp3.exec('abacadabe') is ['abe','ab','b',undefined] 
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: PASS regexp4.exec('abacadabe') is ['abe','ab','b',undefined]
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: PASS regexp5.exec('abacadabe') is ['abe','ab','b','b',undefined,undefined]
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: PASS regexp6.exec('abcde') is ['ab','ab','b','b',undefined,undefined]
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: ASSERTION FAILED: (&amp;term - term.atom.parenthesesWidth)-&gt;inputPosition == term.inputPosition
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: /Volumes/Data/ws6/OpenSource/Source/JavaScriptCore/yarr/YarrInterpreter.cpp(740) : bool JSC::Yarr::Interpreter&lt;unsigned char&gt;::backtrackParenthesesOnceEnd(JSC::Yarr::ByteTerm &amp;, JSC::Yarr::Interpreter::DisjunctionContext *) [CharType = unsigned char]
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 1   0x10c641510 WTFCrash
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 2   0x10c60aa3d JSC::Yarr::Interpreter&lt;unsigned char&gt;::backtrackParenthesesOnceEnd(JSC::Yarr::ByteTerm&amp;, JSC::Yarr::Interpreter&lt;unsigned char&gt;::DisjunctionContext*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 3   0x10c6075d2 JSC::Yarr::Interpreter&lt;unsigned char&gt;::matchDisjunction(JSC::Yarr::ByteDisjunction*, JSC::Yarr::Interpreter&lt;unsigned char&gt;::DisjunctionContext*, bool)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 4   0x10c5fc951 JSC::Yarr::Interpreter&lt;unsigned char&gt;::interpret()
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 5   0x10c5fc4fd JSC::Yarr::interpret(JSC::Yarr::BytecodePattern*, WTF::String const&amp;, unsigned int, unsigned int*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 6   0x10c52d362 JSC::RegExp::match(JSC::VM&amp;, WTF::String const&amp;, unsigned int)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 7   0x10c536270 JSC::RegExpConstructor::performMatch(JSC::VM&amp;, JSC::RegExp*, JSC::JSString*, WTF::String const&amp;, int)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 8   0x10c535f03 JSC::RegExpObject::match(JSC::ExecState*, JSC::JSString*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 9   0x10c535de7 JSC::RegExpObject::exec(JSC::ExecState*, JSC::JSString*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 10  0x10c536a32 JSC::regExpProtoFuncExec(JSC::ExecState*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 11  0x206b23001028
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 12  0x10c3d3b01 llint_entry
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 13  0x10c3cd2c9 vmEntryToJavaScript
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 14  0x10c22913c JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 15  0x10c20a060 JSC::Interpreter::execute(JSC::EvalExecutable*, JSC::ExecState*, JSC::JSValue, JSC::JSScope*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 16  0x10c20964b JSC::eval(JSC::ExecState*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 17  0x10c3c6e28 llint_slow_path_call_eval
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 18  0x10c3d3e1c llint_entry
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 19  0x10c3d3b01 llint_entry
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 20  0x10c3cd2c9 vmEntryToJavaScript
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 21  0x10c22913c JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 22  0x10c20cec3 JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 23  0x10bceedc1 JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&amp;, JSC::JSValue, WTF::NakedPtr&lt;JSC::Exception&gt;&amp;)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 24  0x10bb45194 runWithScripts(GlobalObject*, WTF::Vector&lt;Script, 0ul, WTF::CrashOnOverflow, 16ul&gt; const&amp;, bool)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 25  0x10bb4452f jscmain(int, char**)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 26  0x10bb4402b main
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 27  0x7fff95a505ad start
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 28  0x6
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: test_script_20907: line 2: 86725 Segmentation fault: 11  &quot;$&#64;&quot; ../../../../../.vm/JavaScriptCore.framework/Resources/jsc --useFTLJIT\=false --enableFunctionDotArguments\=true resources/standalone-pre.js parentheses.js resources/standalone-post.js
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: ERROR: Unexpected exit code: 139</pre>
        </div>
      </p>
      <hr>
      <span>You are receiving this mail because:</span>
      
      <ul>
          <li>You are the assignee for the bug.</li>
      </ul>
    </body>
</html>