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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: ASSERTION FAILED: divot.offset >= divotStart.offset"
href="https://bugs.webkit.org/show_bug.cgi?id=166873">166873</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>REGRESSION: ASSERTION FAILED: divot.offset >= divotStart.offset
</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@lists.webkit.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ryanhaddad@apple.com
</td>
</tr></table>
<p>
<div>
<pre>stress/import-basic.js.default: ASSERTION FAILED: divot.offset >= divotStart.offset
stress/import-basic.js.default: /Volumes/Data/slave/elcapitan-debug/build/Source/JavaScriptCore/bytecompiler/BytecodeGenerator.h(518) : void JSC::BytecodeGenerator::emitExpressionInfo(const JSC::JSTextPosition &, const JSC::JSTextPosition &, const JSC::JSTextPosition &)
stress/import-basic.js.default: 1 0x104e48a20 WTFCrash
stress/import-basic.js.default: 2 0x103f7c478 JSC::BytecodeGenerator::emitExpressionInfo(JSC::JSTextPosition const&, JSC::JSTextPosition const&, JSC::JSTextPosition const&)
stress/import-basic.js.default: 3 0x103f69605 JSC::BytecodeGenerator::emitCall(JSC::OpcodeID, JSC::RegisterID*, JSC::RegisterID*, JSC::ExpectedFunction, JSC::CallArguments&, JSC::JSTextPosition const&, JSC::JSTextPosition const&, JSC::JSTextPosition const&, JSC::DebuggableCall)
stress/import-basic.js.default: 4 0x103f5c031 JSC::BytecodeGenerator::emitCall(JSC::RegisterID*, JSC::RegisterID*, JSC::ExpectedFunction, JSC::CallArguments&, JSC::JSTextPosition const&, JSC::JSTextPosition const&, JSC::JSTextPosition const&, JSC::DebuggableCall)
stress/import-basic.js.default: 5 0x104a56408 JSC::ImportNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*)
stress/import-basic.js.default: 6 0x103f8a6b2 JSC::BytecodeGenerator::emitNodeInTailPosition(JSC::RegisterID*, JSC::ExpressionNode*)
stress/import-basic.js.default: 7 0x103f775ae JSC::BytecodeGenerator::emitNode(JSC::RegisterID*, JSC::ExpressionNode*)
stress/import-basic.js.default: 8 0x104a71135 JSC::AwaitExprNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*)
stress/import-basic.js.default: 9 0x103f8a6b2 JSC::BytecodeGenerator::emitNodeInTailPosition(JSC::RegisterID*, JSC::ExpressionNode*)
stress/import-basic.js.default: 10 0x103f775ae JSC::BytecodeGenerator::emitNode(JSC::RegisterID*, JSC::ExpressionNode*)
stress/import-basic.js.default: 11 0x104a72739 JSC::DestructuringAssignmentNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*)
stress/import-basic.js.default: 12 0x103f8a6b2 JSC::BytecodeGenerator::emitNodeInTailPosition(JSC::RegisterID*, JSC::ExpressionNode*)
stress/import-basic.js.default: 13 0x103f775ae JSC::BytecodeGenerator::emitNode(JSC::RegisterID*, JSC::ExpressionNode*)
stress/import-basic.js.default: 14 0x104a79fc4 JSC::BytecodeGenerator::emitNode(JSC::ExpressionNode*)
stress/import-basic.js.default: 15 0x104a69c28 JSC::DeclarationStatement::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*)
stress/import-basic.js.default: 16 0x104a7b452 JSC::BytecodeGenerator::emitNodeInTailPosition(JSC::RegisterID*, JSC::StatementNode*)
stress/import-basic.js.default: 17 0x104a7b31e JSC::SourceElements::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*)
stress/import-basic.js.default: 18 0x104a69a7c JSC::BlockNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*)
stress/import-basic.js.default: 19 0x104a7b452 JSC::BytecodeGenerator::emitNodeInTailPosition(JSC::RegisterID*, JSC::StatementNode*)
stress/import-basic.js.default: 20 0x104a7b31e JSC::SourceElements::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*)
stress/import-basic.js.default: 21 0x104a7b9ba JSC::ScopeNode::emitStatementsBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*)
stress/import-basic.js.default: 22 0x104a70853 JSC::FunctionNode::emitBytecode(JSC::BytecodeGenerator&, JSC::RegisterID*)
stress/import-basic.js.default: 23 0x103f54a55 JSC::BytecodeGenerator::generate()
stress/import-basic.js.default: 24 0x104d0f948 JSC::ParserError JSC::BytecodeGenerator::generate<JSC::FunctionNode*, JSC::UnlinkedFunctionCodeBlock*&, JSC::DebuggerMode&, JSC::VariableEnvironment const*>(JSC::VM&, JSC::FunctionNode*&&, JSC::UnlinkedFunctionCodeBlock*&&&, JSC::DebuggerMode&&&, JSC::VariableEnvironment const*&&)
stress/import-basic.js.default: 25 0x104d0e29c JSC::generateUnlinkedFunctionCodeBlock(JSC::VM&, JSC::UnlinkedFunctionExecutable*, JSC::SourceCode const&, JSC::CodeSpecializationKind, JSC::DebuggerMode, JSC::UnlinkedFunctionKind, JSC::ParserError&, JSC::SourceParseMode)
stress/import-basic.js.default: 26 0x104d0dbaa JSC::UnlinkedFunctionExecutable::unlinkedCodeBlockFor(JSC::VM&, JSC::SourceCode const&, JSC::CodeSpecializationKind, JSC::DebuggerMode, JSC::ParserError&, JSC::SourceParseMode)
stress/import-basic.js.default: 27 0x104c780c4 JSC::ScriptExecutable::newCodeBlockFor(JSC::CodeSpecializationKind, JSC::JSFunction*, JSC::JSScope*, JSC::JSObject*&)
stress/import-basic.js.default: 28 0x104c787fb JSC::ScriptExecutable::prepareForExecutionImpl(JSC::VM&, JSC::JSFunction*, JSC::JSScope*, JSC::CodeSpecializationKind, JSC::CodeBlock*&)
stress/import-basic.js.default: 29 0x1047c9800 JSC::JSObject* JSC::ScriptExecutable::prepareForExecution<JSC::FunctionExecutable>(JSC::VM&, JSC::JSFunction*, JSC::JSScope*, JSC::CodeSpecializationKind, JSC::CodeBlock*&)
stress/import-basic.js.default: 30 0x104a01589 JSC::LLInt::setUpCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind, JSC::JSValue, JSC::LLIntCallLinkInfo*)
stress/import-basic.js.default: 31 0x104a00fb6 JSC::LLInt::genericCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind)
stress/import-basic.js.default: test_script_8938: line 2: 39680 Segmentation fault: 11 ( "$@" ../../.vm/JavaScriptCore.framework/Resources/jsc --useFTLJIT\=false --useFunctionDotArguments\=true --maxPerThreadStackUsage\=1572864 --useFTLJIT\=true import-basic.js )
stress/import-basic.js.default: ERROR: Unexpected exit code: 139
** The following JSC stress test failures have been introduced:
stress/import-basic.js.default
stress/import-basic.js.dfg-eager
stress/import-basic.js.dfg-eager-no-cjit-validate
stress/import-basic.js.dfg-maximal-flush-validate-no-cjit
stress/import-basic.js.ftl-eager
stress/import-basic.js.ftl-eager-no-cjit
stress/import-basic.js.ftl-no-cjit-no-inline-validate
stress/import-basic.js.ftl-no-cjit-no-put-stack-validate
stress/import-basic.js.ftl-no-cjit-small-pool
stress/import-basic.js.ftl-no-cjit-validate-sampling-profiler
stress/import-basic.js.no-cjit-validate-phases
stress/import-basic.js.no-ftl
stress/import-basic.js.no-llint
stress/import-from-eval.js.default
stress/import-from-eval.js.dfg-eager
stress/import-from-eval.js.dfg-eager-no-cjit-validate
stress/import-from-eval.js.dfg-maximal-flush-validate-no-cjit
stress/import-from-eval.js.ftl-eager
stress/import-from-eval.js.ftl-eager-no-cjit
stress/import-from-eval.js.ftl-no-cjit-no-inline-validate
stress/import-from-eval.js.ftl-no-cjit-no-put-stack-validate
stress/import-from-eval.js.ftl-no-cjit-small-pool
stress/import-from-eval.js.ftl-no-cjit-validate-sampling-profiler
stress/import-from-eval.js.no-cjit-validate-phases
stress/import-from-eval.js.no-ftl
stress/import-from-eval.js.no-llint</pre>
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