Ignore:
Timestamp:
Jul 26, 2014, 12:06:44 PM (11 years ago)
Author:
[email protected]
Message:

Unreviewed, roll out r171641-r171644. It broke some tests; will investigate and
reland later.

Source/JavaScriptCore:

  • CMakeLists.txt:
  • JavaScriptCore.vcxproj/JavaScriptCore.vcxproj:
  • JavaScriptCore.vcxproj/JavaScriptCore.vcxproj.filters:
  • JavaScriptCore.xcodeproj/project.pbxproj:
  • bytecode/BytecodeList.json:
  • bytecode/BytecodeUseDef.h:

(JSC::computeUsesForBytecodeOffset):
(JSC::computeDefsForBytecodeOffset):

  • bytecode/CodeBlock.cpp:

(JSC::CodeBlock::dumpBytecode):
(JSC::CodeBlock::CodeBlock):
(JSC::CodeBlock::finalizeUnconditionally):
(JSC::CodeBlock::printPutByIdCacheStatus): Deleted.

  • bytecode/CodeBlock.h:
  • bytecode/GetByIdStatus.cpp:

(JSC::GetByIdStatus::computeForStubInfo):
(JSC::GetByIdStatus::computeFor):

  • bytecode/GetByIdStatus.h:
  • bytecode/GetByIdVariant.cpp:

(JSC::GetByIdVariant::dumpInContext):

  • bytecode/GetByIdVariant.h:

(JSC::GetByIdVariant::structureSet):

  • bytecode/Instruction.h:
  • bytecode/PutByIdStatus.cpp:

(JSC::PutByIdStatus::appendVariant):
(JSC::PutByIdStatus::computeForStubInfo):
(JSC::PutByIdStatus::computeFor):

  • bytecode/PutByIdStatus.h:
  • bytecode/PutByIdVariant.cpp:

(JSC::PutByIdVariant::dumpInContext):
(JSC::PutByIdVariant::oldStructureForTransition): Deleted.
(JSC::PutByIdVariant::writesStructures): Deleted.
(JSC::PutByIdVariant::reallocatesStorage): Deleted.
(JSC::PutByIdVariant::attemptToMerge): Deleted.
(JSC::PutByIdVariant::attemptToMergeTransitionWithReplace): Deleted.

  • bytecode/PutByIdVariant.h:

(JSC::PutByIdVariant::PutByIdVariant):
(JSC::PutByIdVariant::replace):
(JSC::PutByIdVariant::transition):
(JSC::PutByIdVariant::structure):
(JSC::PutByIdVariant::oldStructure):
(JSC::PutByIdVariant::newStructure):
(JSC::PutByIdVariant::constantChecks):

  • bytecode/StructureSet.cpp:

(JSC::StructureSet::filter): Deleted.
(JSC::StructureSet::filterArrayModes): Deleted.

  • bytecode/StructureSet.h:

(JSC::StructureSet::onlyStructure):

  • bytecode/ToThisStatus.cpp: Removed.
  • bytecode/ToThisStatus.h: Removed.
  • bytecode/TypeLocation.h: Removed.
  • bytecompiler/BytecodeGenerator.cpp:

(JSC::BytecodeGenerator::BytecodeGenerator):
(JSC::BytecodeGenerator::emitMove):
(JSC::BytecodeGenerator::emitPutToScope):
(JSC::BytecodeGenerator::emitPutById):
(JSC::BytecodeGenerator::emitPutByVal):
(JSC::BytecodeGenerator::emitProfileTypesWithHighFidelity): Deleted.

  • bytecompiler/BytecodeGenerator.h:

(JSC::BytecodeGenerator::isProfilingTypesWithHighFidelity): Deleted.

  • bytecompiler/NodesCodegen.cpp:

(JSC::PostfixNode::emitResolve):
(JSC::PrefixNode::emitResolve):
(JSC::ReadModifyResolveNode::emitBytecode):
(JSC::AssignResolveNode::emitBytecode):
(JSC::ConstDeclNode::emitCodeSingle):
(JSC::ForInNode::emitBytecode):

  • debugger/DebuggerActivation.cpp: Added.

(JSC::DebuggerActivation::DebuggerActivation):
(JSC::DebuggerActivation::finishCreation):
(JSC::DebuggerActivation::visitChildren):
(JSC::DebuggerActivation::className):
(JSC::DebuggerActivation::getOwnPropertySlot):
(JSC::DebuggerActivation::put):
(JSC::DebuggerActivation::deleteProperty):
(JSC::DebuggerActivation::getOwnPropertyNames):
(JSC::DebuggerActivation::defineOwnProperty):

  • debugger/DebuggerActivation.h: Added.

(JSC::DebuggerActivation::create):
(JSC::DebuggerActivation::createStructure):

  • debugger/DebuggerScope.cpp: Removed.
  • debugger/DebuggerScope.h: Removed.
  • dfg/DFGAbstractInterpreterInlines.h:

(JSC::DFG::AbstractInterpreter<AbstractStateType>::executeEffects):
(JSC::DFG::AbstractInterpreter<AbstractStateType>::observeTransition):
(JSC::DFG::AbstractInterpreter<AbstractStateType>::observeTransitions):

  • dfg/DFGAbstractValue.cpp:

(JSC::DFG::AbstractValue::changeStructure): Deleted.
(JSC::DFG::AbstractValue::contains): Deleted.

  • dfg/DFGAbstractValue.h:

(JSC::DFG::AbstractValue::couldBeType):
(JSC::DFG::AbstractValue::isType):

  • dfg/DFGByteCodeParser.cpp:

(JSC::DFG::ByteCodeParser::handlePutById):
(JSC::DFG::ByteCodeParser::parseBlock):

  • dfg/DFGClobberize.h:

(JSC::DFG::clobberize):

  • dfg/DFGConstantFoldingPhase.cpp:

(JSC::DFG::ConstantFoldingPhase::foldConstants):
(JSC::DFG::ConstantFoldingPhase::emitGetByOffset):
(JSC::DFG::ConstantFoldingPhase::emitPutByOffset):
(JSC::DFG::ConstantFoldingPhase::addBaseCheck): Deleted.
(JSC::DFG::ConstantFoldingPhase::addChecks): Deleted.

  • dfg/DFGDoesGC.cpp:

(JSC::DFG::doesGC):

  • dfg/DFGFixupPhase.cpp:

(JSC::DFG::FixupPhase::fixupNode):

  • dfg/DFGGraph.cpp:

(JSC::DFG::Graph::visitChildren):
(JSC::DFG::Graph::freezeStrong):

  • dfg/DFGGraph.h:
  • dfg/DFGNode.cpp:

(JSC::DFG::MultiPutByOffsetData::writesStructures):
(JSC::DFG::MultiPutByOffsetData::reallocatesStorage):

  • dfg/DFGNode.h:

(JSC::DFG::Node::convertToPutByOffset):
(JSC::DFG::Node::hasTransition):
(JSC::DFG::Node::convertToMultiGetByOffset): Deleted.
(JSC::DFG::Node::convertToMultiPutByOffset): Deleted.

  • dfg/DFGNodeType.h:
  • dfg/DFGPredictionPropagationPhase.cpp:

(JSC::DFG::PredictionPropagationPhase::propagate):

  • dfg/DFGSafeToExecute.h:

(JSC::DFG::safeToExecute):

  • dfg/DFGSpeculativeJIT.cpp:

(JSC::DFG::SpeculativeJIT::silentSavePlanForGPR):

  • dfg/DFGSpeculativeJIT32_64.cpp:

(JSC::DFG::SpeculativeJIT::fillSpeculateCell):
(JSC::DFG::SpeculativeJIT::compile):

  • dfg/DFGSpeculativeJIT64.cpp:

(JSC::DFG::SpeculativeJIT::fillJSValue):
(JSC::DFG::SpeculativeJIT::nonSpeculativeCompareNull):
(JSC::DFG::SpeculativeJIT::emitCall):
(JSC::DFG::SpeculativeJIT::fillSpeculateInt32Internal):
(JSC::DFG::SpeculativeJIT::fillSpeculateInt32Strict):
(JSC::DFG::SpeculativeJIT::fillSpeculateInt52):
(JSC::DFG::SpeculativeJIT::fillSpeculateDouble):
(JSC::DFG::SpeculativeJIT::fillSpeculateCell):
(JSC::DFG::SpeculativeJIT::fillSpeculateBoolean):
(JSC::DFG::SpeculativeJIT::compileLogicalNot):
(JSC::DFG::SpeculativeJIT::emitBranch):
(JSC::DFG::SpeculativeJIT::compile):

  • dfg/DFGStructureAbstractValue.cpp:

(JSC::DFG::StructureAbstractValue::observeTransition):
(JSC::DFG::StructureAbstractValue::observeTransitions):

  • dfg/DFGStructureAbstractValue.h:

(JSC::DFG::StructureAbstractValue::onlyStructure):
(JSC::DFG::StructureAbstractValue::operator=): Deleted.
(JSC::DFG::StructureAbstractValue::set): Deleted.

  • dfg/DFGValidate.cpp:

(JSC::DFG::Validate::validate):

  • dfg/DFGWatchableStructureWatchingPhase.cpp:

(JSC::DFG::WatchableStructureWatchingPhase::run):

  • ftl/FTLAbbreviations.h:

(JSC::FTL::getLinkage): Deleted.

  • ftl/FTLCapabilities.cpp:

(JSC::FTL::canCompile):

  • ftl/FTLLowerDFGToLLVM.cpp:

(JSC::FTL::LowerDFGToLLVM::compileNode):
(JSC::FTL::LowerDFGToLLVM::compilePhantomPutStructure):
(JSC::FTL::LowerDFGToLLVM::compileMultiGetByOffset):
(JSC::FTL::LowerDFGToLLVM::compileMultiPutByOffset):
(JSC::FTL::LowerDFGToLLVM::getModuleByPathForSymbol):

  • heap/Heap.cpp:

(JSC::Heap::collect):

  • inspector/agents/InspectorRuntimeAgent.cpp:

(Inspector::InspectorRuntimeAgent::getRuntimeTypeForVariableInTextRange): Deleted.

  • inspector/agents/InspectorRuntimeAgent.h:
  • inspector/protocol/Runtime.json:
  • jsc.cpp:

(GlobalObject::finishCreation):
(functionDumpTypesForAllVariables): Deleted.

  • llint/LLIntData.cpp:

(JSC::LLInt::Data::performAssertions):

  • llint/LLIntSlowPaths.cpp:

(JSC::LLInt::LLINT_SLOW_PATH_DECL):
(JSC::LLInt::putToScopeCommon): Deleted.

  • llint/LLIntSlowPaths.h:
  • llint/LowLevelInterpreter.asm:
  • llint/LowLevelInterpreter32_64.asm:
  • llint/LowLevelInterpreter64.asm:
  • runtime/ArrayBufferNeuteringWatchpoint.cpp:

(JSC::ArrayBufferNeuteringWatchpoint::createStructure):

  • runtime/CommonSlowPaths.cpp:

(JSC::SLOW_PATH_DECL):

  • runtime/Executable.h:

(JSC::ExecutableBase::createStructure):
(JSC::NativeExecutable::createStructure):

  • runtime/HighFidelityLog.cpp: Removed.
  • runtime/HighFidelityLog.h: Removed.
  • runtime/HighFidelityTypeProfiler.cpp: Removed.
  • runtime/HighFidelityTypeProfiler.h: Removed.
  • runtime/JSObject.cpp:

(JSC::JSObject::putDirectCustomAccessor):
(JSC::JSObject::putDirectNonIndexAccessor):
(JSC::JSObject::reifyStaticFunctionsForDelete):

  • runtime/JSPromiseDeferred.h:

(JSC::JSPromiseDeferred::createStructure):

  • runtime/JSPromiseReaction.h:

(JSC::JSPromiseReaction::createStructure):

  • runtime/JSPropertyNameIterator.h:

(JSC::JSPropertyNameIterator::createStructure):

  • runtime/JSType.h:
  • runtime/JSTypeInfo.h:

(JSC::TypeInfo::TypeInfo):

  • runtime/MapData.h:

(JSC::MapData::createStructure):

  • runtime/Options.h:
  • runtime/PropertyMapHashTable.h:

(JSC::PropertyTable::createStructure):

  • runtime/RegExp.h:

(JSC::RegExp::createStructure):

  • runtime/SparseArrayValueMap.cpp:

(JSC::SparseArrayValueMap::createStructure):

  • runtime/Structure.cpp:

(JSC::StructureTransitionTable::contains):
(JSC::StructureTransitionTable::get):
(JSC::StructureTransitionTable::add):
(JSC::Structure::Structure):
(JSC::Structure::materializePropertyMap):
(JSC::Structure::addPropertyTransition):
(JSC::Structure::despecifyFunctionTransition):
(JSC::Structure::toDictionaryTransition):
(JSC::Structure::freezeTransition):
(JSC::Structure::preventExtensionsTransition):
(JSC::Structure::takePropertyTableOrCloneIfPinned):
(JSC::Structure::nonPropertyTransition):
(JSC::Structure::flattenDictionaryStructure):
(JSC::Structure::addPropertyWithoutTransition):
(JSC::Structure::pin):
(JSC::Structure::allocateRareData):
(JSC::Structure::cloneRareDataFrom):
(JSC::Structure::getConcurrently):
(JSC::Structure::putSpecificValue):
(JSC::Structure::getPropertyNamesFromStructure):
(JSC::Structure::visitChildren):
(JSC::Structure::checkConsistency):
(JSC::Structure::toStructureShape): Deleted.

  • runtime/Structure.h:

(JSC::Structure::isExtensible):
(JSC::Structure::didTransition):
(JSC::Structure::isDictionary):
(JSC::Structure::isUncacheableDictionary):
(JSC::Structure::hasBeenFlattenedBefore):
(JSC::Structure::propertyAccessesAreCacheable):
(JSC::Structure::previousID):
(JSC::Structure::hasGetterSetterProperties):
(JSC::Structure::hasReadOnlyOrGetterSetterPropertiesExcludingProto):
(JSC::Structure::setHasGetterSetterProperties):
(JSC::Structure::hasCustomGetterSetterProperties):
(JSC::Structure::setHasCustomGetterSetterProperties):
(JSC::Structure::setContainsReadOnlyProperties):
(JSC::Structure::hasNonEnumerableProperties):
(JSC::Structure::disableSpecificFunctionTracking):
(JSC::Structure::objectToStringValue):
(JSC::Structure::setObjectToStringValue):
(JSC::Structure::staticFunctionsReified):
(JSC::Structure::setStaticFunctionsReified):
(JSC::Structure::transitionWatchpointSet):
(JSC::Structure::setPreviousID):
(JSC::Structure::clearPreviousID):
(JSC::Structure::previous):
(JSC::Structure::rareData):
(JSC::Structure::setHasGetterSetterPropertiesWithProtoCheck): Deleted.
(JSC::Structure::setHasCustomGetterSetterPropertiesWithProtoCheck): Deleted.

  • runtime/StructureChain.h:

(JSC::StructureChain::createStructure):

  • runtime/StructureInlines.h:

(JSC::Structure::setEnumerationCache):
(JSC::Structure::enumerationCache):
(JSC::Structure::checkOffsetConsistency):

  • runtime/StructureRareData.cpp:

(JSC::StructureRareData::createStructure):

  • runtime/SymbolTable.cpp:

(JSC::SymbolTable::SymbolTable):
(JSC::SymbolTable::cloneCapturedNames):
(JSC::SymbolTable::uniqueIDForVariable): Deleted.
(JSC::SymbolTable::uniqueIDForRegister): Deleted.
(JSC::SymbolTable::globalTypeSetForRegister): Deleted.
(JSC::SymbolTable::globalTypeSetForVariable): Deleted.

  • runtime/SymbolTable.h:

(JSC::SymbolTable::createStructure):
(JSC::SymbolTable::add):
(JSC::SymbolTable::set):

  • runtime/TypeSet.cpp: Removed.
  • runtime/TypeSet.h: Removed.
  • runtime/VM.cpp:

(JSC::VM::VM):
(JSC::VM::getTypesForVariableInRange): Deleted.
(JSC::VM::updateHighFidelityTypeProfileState): Deleted.
(JSC::VM::dumpHighFidelityProfilingTypes): Deleted.

  • runtime/VM.h:

(JSC::VM::isProfilingTypesWithHighFidelity): Deleted.
(JSC::VM::highFidelityLog): Deleted.
(JSC::VM::highFidelityTypeProfiler): Deleted.
(JSC::VM::nextLocation): Deleted.
(JSC::VM::getNextUniqueVariableID): Deleted.

  • runtime/WeakMapData.h:

(JSC::WeakMapData::createStructure):

  • tests/stress/fold-multi-get-by-offset-to-get-by-offset-without-folding-the-structure-check.js: Removed.
  • tests/stress/fold-multi-put-by-offset-to-put-by-offset-without-folding-the-structure-check.js: Removed.
  • tests/stress/prune-multi-put-by-offset-replace-or-transition-variant.js: Removed.

Source/WebCore:

  • ForwardingHeaders/debugger/DebuggerActivation.h: Added.

Source/WebKit/mac:

  • WebView/WebScriptDebugDelegate.mm:

Source/WTF:

  • wtf/text/WTFString.h:

LayoutTests:

  • js/regress/fold-get-by-id-to-multi-get-by-offset-expected.txt: Removed.
  • js/regress/fold-get-by-id-to-multi-get-by-offset-rare-int-expected.txt: Removed.
  • js/regress/fold-get-by-id-to-multi-get-by-offset-rare-int.html: Removed.
  • js/regress/fold-get-by-id-to-multi-get-by-offset.html: Removed.
  • js/regress/fold-multi-get-by-offset-to-get-by-offset-expected.txt: Removed.
  • js/regress/fold-multi-get-by-offset-to-get-by-offset.html: Removed.
  • js/regress/fold-multi-get-by-offset-to-poly-get-by-offset-expected.txt: Removed.
  • js/regress/fold-multi-get-by-offset-to-poly-get-by-offset.html: Removed.
  • js/regress/fold-multi-put-by-offset-to-poly-put-by-offset-expected.txt: Removed.
  • js/regress/fold-multi-put-by-offset-to-poly-put-by-offset.html: Removed.
  • js/regress/fold-multi-put-by-offset-to-put-by-offset-expected.txt: Removed.
  • js/regress/fold-multi-put-by-offset-to-put-by-offset.html: Removed.
  • js/regress/fold-multi-put-by-offset-to-replace-or-transition-put-by-offset-expected.txt: Removed.
  • js/regress/fold-multi-put-by-offset-to-replace-or-transition-put-by-offset.html: Removed.
  • js/regress/fold-put-by-id-to-multi-put-by-offset-expected.txt: Removed.
  • js/regress/fold-put-by-id-to-multi-put-by-offset.html: Removed.
  • js/regress/fold-put-structure-expected.txt: Removed.
  • js/regress/fold-put-structure.html: Removed.
  • js/regress/hoist-poly-check-structure-effectful-loop-expected.txt: Removed.
  • js/regress/hoist-poly-check-structure-effectful-loop.html: Removed.
  • js/regress/hoist-poly-check-structure-expected.txt: Removed.
  • js/regress/hoist-poly-check-structure.html: Removed.
  • js/regress/put-by-id-replace-and-transition-expected.txt: Removed.
  • js/regress/put-by-id-replace-and-transition.html: Removed.
  • js/regress/put-by-id-slightly-polymorphic-expected.txt: Removed.
  • js/regress/put-by-id-slightly-polymorphic.html: Removed.
  • js/regress/script-tests/fold-get-by-id-to-multi-get-by-offset-rare-int.js: Removed.
  • js/regress/script-tests/fold-get-by-id-to-multi-get-by-offset.js: Removed.
  • js/regress/script-tests/fold-multi-get-by-offset-to-get-by-offset.js: Removed.
  • js/regress/script-tests/fold-multi-get-by-offset-to-poly-get-by-offset.js: Removed.
  • js/regress/script-tests/fold-multi-put-by-offset-to-poly-put-by-offset.js: Removed.
  • js/regress/script-tests/fold-multi-put-by-offset-to-put-by-offset.js: Removed.
  • js/regress/script-tests/fold-multi-put-by-offset-to-replace-or-transition-put-by-offset.js: Removed.
  • js/regress/script-tests/fold-put-by-id-to-multi-put-by-offset.js: Removed.
  • js/regress/script-tests/fold-put-structure.js: Removed.
  • js/regress/script-tests/hoist-poly-check-structure-effectful-loop.js: Removed.
  • js/regress/script-tests/hoist-poly-check-structure.js: Removed.
  • js/regress/script-tests/put-by-id-replace-and-transition.js: Removed.
  • js/regress/script-tests/put-by-id-slightly-polymorphic.js: Removed.
File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/Source/JavaScriptCore/bytecompiler/NodesCodegen.cpp

    r171641 r171648  
    741741            generator.emitReadOnlyExceptionIfNeeded();
    742742            localReg = generator.emitMove(generator.tempDestination(dst), localReg);
    743         } else if (local.isCaptured() || generator.isProfilingTypesWithHighFidelity()) {
     743        } else if (local.isCaptured()) {
    744744            RefPtr<RegisterID> tempDst = generator.finalDestination(dst);
    745745            ASSERT(dst != localReg);
     
    748748            generator.emitMove(tempDstSrc.get(), localReg);
    749749            emitIncOrDec(generator, tempDstSrc.get(), m_operator);
    750             if (generator.isProfilingTypesWithHighFidelity())
    751                 generator.emitExpressionInfo(divot(), divotStart(), divotEnd());
    752750            generator.emitMove(localReg, tempDstSrc.get());
    753751            return tempDst.get();
     
    918916            generator.emitReadOnlyExceptionIfNeeded();
    919917            localReg = generator.emitMove(generator.tempDestination(dst), localReg);
    920         } else if (local.isCaptured() || generator.isProfilingTypesWithHighFidelity()) {
     918        } else if (local.isCaptured()) {
    921919            RefPtr<RegisterID> tempDst = generator.tempDestination(dst);
    922920            generator.emitMove(tempDst.get(), localReg);
    923921            emitIncOrDec(generator, tempDst.get(), m_operator);
    924             if (generator.isProfilingTypesWithHighFidelity())
    925                 generator.emitExpressionInfo(divot(), divotStart(), divotEnd());
    926922            generator.emitMove(localReg, tempDst.get());
    927923            return generator.moveToDestinationIfNeeded(dst, tempDst.get());
     
    14121408RegisterID* ReadModifyResolveNode::emitBytecode(BytecodeGenerator& generator, RegisterID* dst)
    14131409{
    1414     JSTextPosition newDivot = divotStart() + m_ident.length();
    14151410    if (Local local = generator.local(m_ident)) {
    14161411        if (local.isReadOnly()) {
     
    14201415       
    14211416        if (local.isCaptured()
    1422             || generator.isProfilingTypesWithHighFidelity()
    14231417            || generator.leftHandSideNeedsCopy(m_rightHasAssignments, m_right->isPure(generator))) {
    14241418            RefPtr<RegisterID> result = generator.newTemporary();
    14251419            generator.emitMove(result.get(), local.get());
    14261420            emitReadModifyAssignment(generator, result.get(), result.get(), m_right, m_operator, OperandTypes(ResultType::unknownType(), m_right->resultDescriptor()));
    1427             if (generator.isProfilingTypesWithHighFidelity())
    1428                 generator.emitExpressionInfo(newDivot, divotStart(), newDivot);
    14291421            generator.emitMove(local.get(), result.get());
    14301422            return generator.moveToDestinationIfNeeded(dst, result.get());
     
    14351427    }
    14361428
     1429    JSTextPosition newDivot = divotStart() + m_ident.length();
    14371430    generator.emitExpressionInfo(newDivot, divotStart(), newDivot);
    14381431    RefPtr<RegisterID> scope = generator.emitResolveScope(generator.newTemporary(), m_ident);
     
    14511444            return generator.emitNode(dst, m_right);
    14521445        }
    1453         if (local.isCaptured() || generator.isProfilingTypesWithHighFidelity()) {
     1446        if (local.isCaptured()) {
    14541447            RefPtr<RegisterID> tempDst = generator.tempDestination(dst);
    14551448            generator.emitNode(tempDst.get(), m_right);
    1456             if (generator.isProfilingTypesWithHighFidelity())
    1457                 generator.emitExpressionInfo(divot(), divotStart(), divotEnd());
    14581449            generator.emitMove(local.get(), tempDst.get());
    14591450            return generator.moveToDestinationIfNeeded(dst, tempDst.get());
     
    15581549            return local.get();
    15591550
    1560         // FIXME: Maybe call emitExpressionInfo here.
    1561         if (local.isCaptured() || generator.isProfilingTypesWithHighFidelity()) {
     1551        if (local.isCaptured()) {
    15621552            RefPtr<RegisterID> tempDst = generator.newTemporary();
    15631553            generator.emitNode(tempDst.get(), m_init);
     
    18821872            Local local = generator.local(ident);
    18831873            propertyName = local.get();
    1884             // FIXME: Should I emit expression info here?
    1885             if (!propertyName || local.isCaptured() || generator.isProfilingTypesWithHighFidelity())
     1874            if (!propertyName || local.isCaptured())
    18861875                goto genericBinding;
    18871876            expectedSubscript = generator.emitMove(generator.newTemporary(), propertyName);
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