Status: Accepted
Owner: [email protected]
CC: [email protected]
Labels: Type-Bug Priority-Medium

New issue 3743 by [email protected]: Crash in debugger ScopeIterator
https://code.google.com/p/v8/issues/detail?id=3743

Crash report:

#
# Fatal error in ../../v8/src/objects.cc, line 3966
# CHECK(!value->IsTheHole()) failed
#

==== C stack trace ===============================

 1: ??
 2: ??
 3: ??
 4: ??
 5: ??
 6: ??
 7: ??
 8: ??
Received signal 4 ILL_ILLOPN 7f469cdcb32f
#0 0x7f469a80e2ee base::debug::StackTrace::StackTrace()
#1 0x7f469a80de23 base::debug::(anonymous namespace)::StackDumpSignalHandler()
#2 0x7f4693513340 <unknown>
#3 0x7f469cdcb32f v8::base::OS::Abort()
#4 0x7f469cdc8a9c V8_Fatal
#5 0x7f469ca74dd2 v8::internal::JSObject::SetOwnPropertyIgnoreAttributes()
#6 0x7f469caf7bf6 v8::internal::Runtime::DefineObjectProperty()
#7 0x7f469cb1a4d2 v8::internal::ScopeInfo::CopyContextLocalsToScopeObject()
#8 0x7f469ccf27ad v8::internal::ScopeIterator::ScopeObject()
#9 0x7f469ccf18ac v8::internal::MaterializeScopeDetails()
#10 0x7f469cce458e v8::internal::Runtime_GetAllScopesDetails()
#11 0x30afea9071bb <unknown>


Repro steps:
- goto http://html5rocks.appspot.com/en/tutorials/es6/promises/async-generators-example.html
- open DevTools in Chromium Debug
- add breakpoint at line 22: "addHtmlToPage(story.heading);"
- reload the page, observe the crash


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