When PlzNavigate(--enable-browser-side-navigation) is enabled, the test: http/tests/dom/script-module-load-incomplete-no-crash.html is failing.
Stack trace:
[FATAL:ModuleMap.cpp(99)] Check failed: !is_fetching_.
#0 0x2b1f0eb516bb base::debug::StackTrace::StackTrace()
#1 0x2b1f0eb503bc base::debug::StackTrace::StackTrace()
#2 0x2b1f0ebc3f63 logging::LogMessage::~LogMessage()
#3 0x2b1f162ceeed blink::ModuleMap::Entry::GetModuleScript()
#4 0x2b1f162cf528 blink::ModuleMap::GetFetchedModuleScript()
#5 0x2b1f162cbb8c blink::ModulatorImpl::GetFetchedModuleScript()
#6 0x2b1f16e9e53b blink::ModuleTreeLinker::UninstantiatedInclusiveDescendants()
#7 0x2b1f16e9da40 blink::ModuleTreeLinker::Instantiate()
#8 0x2b1f16e9e073 blink::ModuleTreeLinker::NotifyOneDescendantFinished()
#9 0x2b1f16e9dbc0 blink::ModuleTreeLinker::DependencyModuleClient::NotifyModuleTreeLoadFinished()
#10 0x2b1f16e9c899 blink::ModuleTreeLinker::AdvanceState()
#11 0x2b1f16e9d692 blink::ModuleTreeLinker::NotifyModuleLoadFinished()
#12 0x2b1f162d1707 _ZN4base8internal13FunctorTraitsIMN5blink18SingleModuleClientEFvPNS2_12ModuleScriptEEvE6InvokeIRKNS2_10PersistentIS3_EEJRKNSA_IS4_EEEEEvS7_OT_DpOT0_
#13 0x2b1f162d1616 _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKMN5blink18SingleModuleClientEFvPNS4_12ModuleScriptEEJRKNS4_10PersistentIS5_EERKNSC_IS6_EEEEEvOT_DpOT0_
#14 0x2b1f162d15a3 _ZN4base8internal7InvokerINS0_9BindStateIMN5blink18SingleModuleClientEFvPNS3_12ModuleScriptEEJNS3_10PersistentIS4_EENS9_IS5_EEEEEFvvEE7RunImplIRKS8_RKSt5tupleIJSA_SB_EEJLm0ELm1EEEEvOT_OT0_NS_13IndexSequenceIJXspT1_EEEE
#15 0x2b1f162d14bc _ZN4base8internal7InvokerINS0_9BindStateIMN5blink18SingleModuleClientEFvPNS3_12ModuleScriptEEJNS3_10PersistentIS4_EENS9_IS5_EEEEEFvvEE3RunEPNS0_13BindStateBaseE
#16 0x2b1f0eb0ce9e _ZNO4base8CallbackIFvvELNS_8internal8CopyModeE0ELNS2_10RepeatModeE0EE3RunEv
#17 0x2b1f0eb5731e base::debug::TaskAnnotator::RunTask()
[...]
Comment 1 by bugdroid1@chromium.org
, May 22 2017