[Webkit-unassigned] [Bug 125854] [ATK] [WK2] platform/gtk/accessibility/roles-exposed.html is failing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=125854





--- Comment #23 from chris fleizach <cfleizach at apple.com>  2013-12-19 13:49:13 PST ---
(In reply to comment #21)
> (In reply to comment #20)
> > This change caused a bad looking crash on Mac, rolling out.
> > 
> > http://build.webkit.org/results/Apple%20Mavericks%20Release%20WK1%20(Tests)/r160845%20(1836)/results.html
> > 
> > http://build.webkit.org/results/Apple%20Mavericks%20Debug%20WK1%20(Tests)/r160844%20(1222)/results.html
> 
> Sorry about that. I pushed this believing that it would not cause any issue (as per the output EWS), but something seems to be still wrong.
> 
> As I don't have a Mac here to try this out, I'd very much appreciate any help with it. I might be able to try it out at home in my 2010's Mac Mini (which has Mavericks installed), but I'm not sure how long it will take to download the code and build, so any hint would certainly be appreciated :)

Crash log looks like we're passing a nil element into isEqual in DRT

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   com.apple.JavaScriptCore          0x000000010e4cba6d JSObjectGetPrivate + 13 (MarkedBlock.h:331)
1   DumpRenderTree                    0x000000010e1fa1a4 isEqualCallback(OpaqueJSContext const*, OpaqueJSValue*, OpaqueJSValue*, unsigned long, OpaqueJSValue const* const*, OpaqueJSValue const**) + 58 (AccessibilityUIElement.cpp:41)
2   com.apple.JavaScriptCore          0x000000010e498d02 long long JSC::APICallbackFunction::call<JSC::JSCallbackFunction>(JSC::ExecState*) + 530 (APICallbackFunction.h:61)
3   com.apple.JavaScriptCore          0x000000010e525a01 JSC::LLInt::setUpCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind, JSC::JSValue, JSC::LLIntCallLinkInfo*) + 545 (LLIntSlowPaths.cpp:988)
4   com.apple.JavaScriptCore          0x000000010e52a241 llint_op_call + 187

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