[Webkit-unassigned] [Bug 160554] New: Assertion failure when accessing TDZ variable in catch through eval
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Aug 4 09:48:33 PDT 2016
https://bugs.webkit.org/show_bug.cgi?id=160554
Bug ID: 160554
Summary: Assertion failure when accessing TDZ variable in catch
through eval
Classification: Unclassified
Product: WebKit
Version: WebKit Local Build
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: andre.bargull at gmail.com
SVN: rev204118
Build with: perl Tools/Scripts/build-jsc --gtk --debug
Test case:
---
try {
throw {};
} catch ({a = eval("b"), b}) {
}
---
Assertion failure:
---
ASSERTION FAILED: returnValue
---
Stack trace:
---
#0 0x00007ffff6da9fd8 in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:323
#1 0x00007ffff69008c8 in JSC::checkedReturn (returnValue=...) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:812
#2 0x00007ffff69032dc in JSC::Interpreter::execute (this=0x7fffefff1048, eval=0x7fffaf7f7ee0, callFrame=0x7fffffffcaa0, thisValue=..., scope=0x7fffaf7c8be0)
at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:1238
#3 0x00007ffff68fec27 in JSC::eval (callFrame=0x7fffffffcaa0) at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:195
#4 0x00007ffff69a7691 in JSC::(anonymous namespace)::llint_slow_path_call_eval (exec=0x7fffffffcb40, pc=0x7fffaf3f7030) at ../../Source/JavaScriptCore/llint/LLIntSlowPaths.cpp:1445
#5 0x00007ffff69b3201 in llint_entry () at ../../Source/WTF/wtf/RefPtr.h:79
#6 0x00007ffff69ac563 in vmEntryToJavaScript () at ../../Source/WTF/wtf/RefPtr.h:79
#7 0x00007ffff694a53c in JSC::JITCode::execute (this=0x7fffeffb5500, vm=0x7fffafa00000, protoCallFrame=0x7fffffffcd20) at ../../Source/JavaScriptCore/jit/JITCode.cpp:80
#8 0x00007ffff690186a in JSC::Interpreter::execute (this=0x7fffefff1048, program=0x7fffaf7f7f70, callFrame=0x7fffaf7df940, thisObj=0x7fffaf7a79c0)
at ../../Source/JavaScriptCore/interpreter/Interpreter.cpp:964
#9 0x00007ffff6afbe2e in JSC::evaluate (exec=0x7fffaf7df940, source=..., thisValue=..., returnedException=...) at ../../Source/JavaScriptCore/runtime/Completion.cpp:107
#10 0x000000000043b0ad in runWithScripts (globalObject=0x7fffaf7df900, scripts=..., uncaughtExceptionName=..., dump=false, module=false) at ../../Source/JavaScriptCore/jsc.cpp:2135
#11 0x000000000043c08d in runJSC (vm=0x7fffafa00000, options=...) at ../../Source/JavaScriptCore/jsc.cpp:2384
#12 0x000000000043c5b0 in jscmain (argc=2, argv=0x7fffffffdb98) at ../../Source/JavaScriptCore/jsc.cpp:2437
#13 0x0000000000439f15 in main (argc=2, argv=0x7fffffffdb98) at ../../Source/JavaScriptCore/jsc.cpp:2000
---
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