[Webkit-unassigned] [Bug 23893] New: Stack overflow on Windows when running js1_5/Regress/regress-96526-002.js

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=23893

           Summary: Stack overflow on Windows when running
                    js1_5/Regress/regress-96526-002.js
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com
                CC: ggaren at apple.com


To reproduce:

1. cd JavaScriptCore/tests/mozilla && /path/to/jsc_debug  -s  -f
./js1_5/shell.js -f ./js1_5/Regress/regress-96526-002.js

You'll get a crash due to stack overflow. The backtrace looks like this:

>	jsc_debug.exe!JSC::BytecodeGenerator::leftHandSideNeedsCopy(bool rightHasAssignments=false, bool rightIsPure=true)  Line 225	C++
       
jsc_debug.exe!JSC::BytecodeGenerator::emitNodeForLeftHandSide(JSC::ExpressionNode
* n=0x014fd6d0, bool rightHasAssignments=false, bool rightIsPure=true)  Line
231 + 0x10 bytes C++
       
jsc_debug.exe!JSC::BracketAccessorNode::emitBytecode(JSC::BytecodeGenerator &
generator={...}, JSC::RegisterID * dst=0x00000000)  Line 499 + 0x48 bytes C++
        jsc_debug.exe!JSC::BytecodeGenerator::emitNode(JSC::RegisterID *
dst=0x00000000, JSC::Node * n=0x014fe638)  Line 174 + 0x17 bytes       C++
        jsc_debug.exe!JSC::BytecodeGenerator::emitNode(JSC::Node *
n=0x014fe638)  Line 182      C++
       
jsc_debug.exe!JSC::BytecodeGenerator::emitNodeForLeftHandSide(JSC::ExpressionNode
* n=0x014fe638, bool rightHasAssignments=false, bool rightIsPure=true)  Line
237 + 0xc bytes  C++
       
jsc_debug.exe!JSC::BracketAccessorNode::emitBytecode(JSC::BytecodeGenerator &
generator={...}, JSC::RegisterID * dst=0x00000000)  Line 499 + 0x48 bytes C++
        jsc_debug.exe!JSC::BytecodeGenerator::emitNode(JSC::RegisterID *
dst=0x00000000, JSC::Node * n=0x014fe6e8)  Line 174 + 0x17 bytes       C++
        jsc_debug.exe!JSC::BytecodeGenerator::emitNode(JSC::Node *
n=0x014fe6e8)  Line 182      C++
       
jsc_debug.exe!JSC::BytecodeGenerator::emitNodeForLeftHandSide(JSC::ExpressionNode
* n=0x014fe6e8, bool rightHasAssignments=false, bool rightIsPure=true)  Line
237 + 0xc bytes  C++
       
jsc_debug.exe!JSC::BracketAccessorNode::emitBytecode(JSC::BytecodeGenerator &
generator={...}, JSC::RegisterID * dst=0x00000000)  Line 499 + 0x48 bytes C++
        jsc_debug.exe!JSC::BytecodeGenerator::emitNode(JSC::RegisterID *
dst=0x00000000, JSC::Node * n=0x014fe798)  Line 174 + 0x17 bytes       C++
        jsc_debug.exe!JSC::BytecodeGenerator::emitNode(JSC::Node *
n=0x014fe798)  Line 182      C++
       
jsc_debug.exe!JSC::BytecodeGenerator::emitNodeForLeftHandSide(JSC::ExpressionNode
* n=0x014fe798, bool rightHasAssignments=false, bool rightIsPure=true)  Line
237 + 0xc bytes  C++
       
jsc_debug.exe!JSC::BracketAccessorNode::emitBytecode(JSC::BytecodeGenerator &
generator={...}, JSC::RegisterID * dst=0x00000000)  Line 499 + 0x48 bytes C++
        jsc_debug.exe!JSC::BytecodeGenerator::emitNode(JSC::RegisterID *
dst=0x00000000, JSC::Node * n=0x014fe848)  Line 174 + 0x17 bytes       C++
        jsc_debug.exe!JSC::BytecodeGenerator::emitNode(JSC::Node *
n=0x014fe848)  Line 182      C++
       
jsc_debug.exe!JSC::BytecodeGenerator::emitNodeForLeftHandSide(JSC::ExpressionNode
* n=0x014fe848, bool rightHasAssignments=false, bool rightIsPure=true)  Line
237 + 0xc bytes  C++


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