Bug 129118

Summary: REGRESSION (r164417): ASSERTION FAILED: isBranch() in X86 32 bit build
Product: WebKit Reporter: Michael Saboff <msaboff>
Component: JavaScriptCoreAssignee: Michael Saboff <msaboff>
Status: RESOLVED FIXED    
Severity: Normal CC: ossy
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Attachments:
Description Flags
Patch fpizlo: review+

Michael Saboff
Reported 2014-02-20 13:52:39 PST
Running testapi from a debug build gives: ... PASS: z should be null and is. PASS: Test script executed successfully. ASSERTION FAILED: isBranch() /Volumes/Data/src/webkit.work/Source/JavaScriptCore/dfg/DFGNode.h(873) : JSC::DFG::BranchData *JSC::DFG::Node::branchData() 1 0x85a72d WTFCrash 2 0x203367 JSC::DFG::Node::branchData() 3 0x3b1c79 JSC::DFG::SpeculativeJIT::compile(JSC::DFG::Node*) 4 0x355262 JSC::DFG::SpeculativeJIT::compileCurrentBlock() 5 0x355d2b JSC::DFG::SpeculativeJIT::compile() 6 0x2d2b40 JSC::DFG::JITCompiler::compileBody() 7 0x2d470e JSC::DFG::JITCompiler::compile() 8 0x345751 JSC::DFG::Plan::compileInThreadImpl(JSC::DFG::LongLivedState&) 9 0x344ca0 JSC::DFG::Plan::compileInThread(JSC::DFG::LongLivedState&, JSC::DFG::ThreadData*) 10 0x28cdc8 JSC::DFG::compileImpl(JSC::VM&, JSC::CodeBlock*, JSC::CodeBlock*, JSC::DFG::CompilationMode, unsigned int, JSC::Operands<JSC::JSValue, JSC::OperandValueTraits<JSC::JSValue> > const&, WTF::PassRefPtr<JSC::DeferredCompilationCallback>) 11 0x28c532 JSC::DFG::compile(JSC::VM&, JSC::CodeBlock*, JSC::CodeBlock*, JSC::DFG::CompilationMode, unsigned int, JSC::Operands<JSC::JSValue, JSC::OperandValueTraits<JSC::JSValue> > const&, WTF::PassRefPtr<JSC::DeferredCompilationCallback>) 12 0x4cc4ab operationOptimize 13 0x1962e7a 14 0x6129b4 callToJavaScript 15 0x4b5390 JSC::JITCode::execute(JSC::VM*, JSC::ProtoCallFrame*) 16 0x49257f JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) 17 0x1886ed JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) 18 0x508601 JSEvaluateScript 19 0x79ead main 20 0x9690d70d start
Attachments
Patch (1.30 KB, patch)
2014-02-20 13:53 PST, Michael Saboff 		fpizlo: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Michael Saboff
Comment 1 2014-02-20 13:53:28 PST
Created attachment 224794 [details] Patch
Filip Pizlo
Comment 2 2014-02-20 14:01:03 PST
Comment on attachment 224794 [details] Patch Lol.
Michael Saboff
Comment 3 2014-02-20 14:02:00 PST
Committed r164445: <http://trac.webkit.org/changeset/164445>
Csaba Osztrogonác
Comment 4 2014-02-20 23:48:16 PST
*** Bug 129100 has been marked as a duplicate of this bug. ***
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