1251847 - Various reftests & crashtests are going to permafail when Gecko 47 is merged to Beta [@ mozilla::StyleSheetHandle::Ptr::IsServo() const]

Status: RESOLVED DUPLICATE of bug 1251848

(Core :: CSS Parsing and Computation, defect)

Description

[Ryan VanderMeulen [:RyanVM]]

[Tracking Requested - why for this release]: Merge day perma-crashes across two test suites.

Something not happy about RELEASE_BUILD being set?

https://treeherder.mozilla.org/logviewer.html#?job_id=17312105&repo=try

 20:43:59     INFO -  Assertion failure: mValue, at /builds/slave/try-l64-d-00000000000000000000/build/src/obj-firefox/dist/include/mozilla/StyleSheetHandle.h:52
 20:43:59     INFO -  #01: mozilla::StyleSheetHandle::Ptr::IsGecko() const [layout/style/StyleSheetHandle.h:49]
 20:43:59     INFO -  #02: nsLayoutStylesheetCache::InvalidateSheet(mozilla::HandleRefPtr<mozilla::StyleSheetHandle>*, mozilla::HandleRefPtr<mozilla::StyleSheetHandle>*) [layout/style/nsLayoutStylesheetCache.cpp:772]
 20:43:59     INFO -  #03: mozilla::ValueObserver::Observe(nsISupports*, char const*, char16_t const*) [xpcom/glue/nsTArray.h:361]
 20:43:59     INFO -  #04: nsPrefBranch::NotifyObserver(char const*, void*) [xpcom/string/nsString.h:79]
 20:43:59     INFO -  #05: pref_DoCallback [modules/libpref/prefapi.cpp:916]
 20:43:59     INFO -  #06: pref_HashPref [modules/libpref/prefapi.cpp:770]
 20:43:59     INFO -  #07: PREF_SetBoolPref [modules/libpref/prefapi.cpp:265]
 20:43:59     INFO -  #08: nsPrefBranch::SetBoolPref(char const*, bool) [modules/libpref/nsPrefBranch.cpp:161]
 20:43:59     INFO -  #09: NS_InvokeByIndex [xpcom/reflect/xptcall/md/unix/xptcinvoke_x86_64_unix.cpp:176]
 20:43:59     INFO -  #10: CallMethodHelper::Call() [js/xpconnect/src/xpcprivate.h:859]
 20:43:59     INFO -  #11: XPCWrappedNative::CallMethod(XPCCallContext&, XPCWrappedNative::CallMode) [js/xpconnect/src/XPCWrappedNative.cpp:1367]
 20:43:59     INFO -  #12: XPC_WN_CallMethod(JSContext*, unsigned int, JS::Value*) [js/xpconnect/src/XPCWrappedNativeJSOps.cpp:1115]
 20:43:59     INFO -  #13: js::CallJSNative(JSContext*, bool (*)(JSContext*, unsigned int, JS::Value*), JS::CallArgs const&) [js/src/jscntxtinlines.h:236]
 20:43:59     INFO -  #14: js::Invoke(JSContext*, JS::CallArgs const&, js::MaybeConstruct) [js/src/vm/Interpreter.cpp:478]
 20:43:59     INFO -  #15: Interpret [js/src/vm/Interpreter.cpp:2802]
 20:43:59     INFO -  #16: js::RunScript(JSContext*, js::RunState&) [js/src/vm/Interpreter.cpp:428]
 20:43:59     INFO -  #17: js::Invoke(JSContext*, JS::CallArgs const&, js::MaybeConstruct) [js/src/vm/Interpreter.cpp:496]
 20:43:59     INFO -  #18: js::Invoke(JSContext*, JS::Value const&, JS::Value const&, unsigned int, JS::Value const*, JS::MutableHandle<JS::Value>) [js/src/vm/Interpreter.cpp:530]
 20:43:59     INFO -  #19: js::jit::DoCallFallback [js/src/jit/BaselineIC.cpp:6136]
20:43:59 INFO - #20: ??? (???:???)