Firefox 38.0a2 crash using debugger [@ js::EmulatesUndefined(JSObject*) ]

UNCONFIRMED
Unassigned

Status

()

Core
JavaScript Engine
--
critical
UNCONFIRMED
3 years ago
2 years ago

People

(Reporter: Codacoder, Unassigned)

Tracking

({crash})

38 Branch
x86_64
Windows 7
crash
Points:
---

Firefox Tracking Flags

(Not tracked)

Details

(crash signature)

(Reporter)

Description

3 years ago
User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0
Build ID: 20150325004010

Steps to reproduce:

Various debugger activities (step, continue, clear breakpoint)


Actual results:

https://crash-stats.mozilla.com/report/index/bp-1ab6d91f-7f25-4870-809a-287342150325
https://crash-stats.mozilla.com/report/index/bp-ce31c6de-fd6b-4a9c-af29-a9f022150325
https://crash-stats.mozilla.com/report/index/bp-a2c76023-e1b3-42b2-80c6-075522150325

Comment 1

3 years ago
0 	xul.dll 	js::EmulatesUndefined(JSObject*) 	js/src/jsboolinlines.h
1 	xul.dll 	js::ToBooleanSlow(JS::Handle<JS::Value>) 	js/src/jsbool.cpp
2 	xul.dll 	js::jit::DoToBoolFallback 	js/src/jit/BaselineIC.cpp
3 		@0x2f1849ca 	
...more jit code...

See also bug 1020583.
Crash Signature: [@ js::EmulatesUndefined(JSObject*)]
Component: Untriaged → JavaScript Engine
Keywords: crash
Product: Firefox → Core
Summary: Firefox 38.0a2 Crash [@ js::EmulatesUndefined(JSObject*) ] → Firefox 38.0a2 crash using debugger [@ js::EmulatesUndefined(JSObject*) ]

Updated

3 years ago
Severity: normal → critical
Russ, thanks for the report. Are you still able to reproduce this with a more recent build? Do you have more detailed steps to reproduce?
(Reporter)

Comment 3

3 years ago
(In reply to Jan de Mooij [:jandem] from comment #2)
> Russ, thanks for the report. Are you still able to reproduce this with a
> more recent build? 

No, not since.  I realized the report was bit vague but, since they came in a cluster, thought it was worth reporting them.

> Do you have more detailed steps to reproduce?

No, as I mentioned, there was no specific action that triggered it, only the resultant outcome was the same.

Set WFM?

Updated

2 years ago
Crash Signature: [@ js::EmulatesUndefined(JSObject*)] → [@ js::EmulatesUndefined(JSObject*)] [@ js::EmulatesUndefined]
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