[Webkit-unassigned] [Bug 147031] New: Failed jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js when we don't use YarrJIT

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jul 16 21:34:53 PDT 2015 

https://bugs.webkit.org/show_bug.cgi?id=147031

            Bug ID: 147031
           Summary: Failed
                    jsc-layout-tests.yaml/fast/regex/script-tests/parenthe
                    ses.js when we don't use YarrJIT
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

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 "PASS" messages, followed by "TEST COMPLETE".
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: (&term - term.atom.parenthesesWidth)->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<unsigned char>::backtrackParenthesesOnceEnd(JSC::Yarr::ByteTerm &, 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<unsigned char>::backtrackParenthesesOnceEnd(JSC::Yarr::ByteTerm&, JSC::Yarr::Interpreter<unsigned char>::DisjunctionContext*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 3   0x10c6075d2 JSC::Yarr::Interpreter<unsigned char>::matchDisjunction(JSC::Yarr::ByteDisjunction*, JSC::Yarr::Interpreter<unsigned char>::DisjunctionContext*, bool)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 4   0x10c5fc951 JSC::Yarr::Interpreter<unsigned char>::interpret()
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 5   0x10c5fc4fd JSC::Yarr::interpret(JSC::Yarr::BytecodePattern*, WTF::String const&, unsigned int, unsigned int*)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 6   0x10c52d362 JSC::RegExp::match(JSC::VM&, WTF::String const&, unsigned int)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 7   0x10c536270 JSC::RegExpConstructor::performMatch(JSC::VM&, JSC::RegExp*, JSC::JSString*, WTF::String const&, 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&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&)
jsc-layout-tests.yaml/fast/regex/script-tests/parentheses.js.layout: 24  0x10bb45194 runWithScripts(GlobalObject*, WTF::Vector<Script, 0ul, WTF::CrashOnOverflow, 16ul> const&, 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  "$@" ../../../../../.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

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