Thanks for your reply. Could you explain what can cause objects in snapshot but are not available with code cache? 在2020年11月23日星期一 UTC+8 下午4:36:18<[email protected]> 写道：
> Generally, pretty much all of V8 (aside from initialization) assumes that > the snapshot is deserialized and the objects in it are available. This > includes the code cache serializer/deserializer. Otherwise, things are > gonna go wrong -- here, for example, you're probably seeing a null string > map (since the string map is in the snapshot). > > On Mon, Nov 23, 2020 at 6:49 AM 王梓童 <[email protected]> wrote: > >> I try to use both snapshot and codecache to reduce page load time. All >> going well when I use snapshot or codecache alone. However, when I create >> codecache for index.js with an engine without snapshot first, then create >> snapshot for startup.js, then create an engine loading index.js with both >> snapshot and codecache, crash occurs. Here is stacktrace: >> >> [image: Pasted Graphic.png] >> >> com.facebook.react.JavaScript (61)#0 0x000000010c7f9a16 in bool >> v8::internal::IsInRange<v8::internal::InstanceType, >> v8::internal::InstanceType>(v8::internal::InstanceType, >> v8::internal::InstanceType, v8::internal::InstanceType) [inlined] at >> /Volumes/EXTREME SSD/Documents/depot_tools/v8/v8/src/utils/utils.h:69 >> >> #1 0x000000010c7f9a16 in >> v8::internal::InstanceTypeChecker::IsString(v8::internal::InstanceType) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/objects/instance-type-inl.h:33 >> >> #2 0x000000010c7f9a16 in >> v8::internal::HeapObject::IsString(v8::internal::Isolate*) const [inlined] >> at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/objects/instance-type-inl.h:64 >> >> #3 0x000000010c7f9a12 in >> v8::internal::HeapObject::IsThinString(v8::internal::Isolate*) const >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/objects/objects-inl.h:205 >> >> #4 0x000000010c7f9a12 in v8::internal::HeapObject::IsThinString() const >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/objects/objects-inl.h:204 >> >> #5 0x000000010c7f9a12 in >> v8::internal::Deserializer::GetBackReferencedObject(v8::internal::SnapshotSpace) >> >> at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:364 >> >> #6 0x000000010c7f89b8 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)8, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:813 >> >> #7 0x000000010c7f899a in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:579 >> >> #8 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #9 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #10 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #11 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #12 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #13 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #14 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #15 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #16 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #17 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #18 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #19 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #20 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #21 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #22 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #23 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #24 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #25 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #26 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #27 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #28 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #29 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #30 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #31 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #32 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #33 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #34 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #35 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #36 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #37 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #38 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #39 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #40 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #41 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #42 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #43 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #44 0x000000010c7faa8d in >> v8::internal::Deserializer::ReadObject(v8::internal::SnapshotSpace) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:394 >> >> #45 0x000000010c7f89d4 in v8::internal::FullMaybeObjectSlot >> v8::internal::Deserializer::ReadDataCase<v8::internal::FullMaybeObjectSlot, >> (v8::internal::SerializerDeserializer::Bytecode)0, >> (v8::internal::SnapshotSpace)6>(v8::internal::Isolate*, >> v8::internal::FullMaybeObjectSlot, unsigned long, unsigned char, bool) >> [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:810 >> >> #46 0x000000010c7f89ba in bool >> v8::internal::Deserializer::ReadData<v8::internal::FullMaybeObjectSlot>(v8::internal::FullMaybeObjectSlot, >> >> v8::internal::FullMaybeObjectSlot, v8::internal::SnapshotSpace, unsigned >> long) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/deserializer.cc:576 >> >> #47 0x000000010c7fc244 in >> v8::internal::RootVisitor::VisitRootPointer(v8::internal::Root, char >> const*, v8::internal::FullObjectSlot) [inlined] at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/objects/visitors.h:73 >> >> #48 0x000000010c7fc22c in >> v8::internal::ObjectDeserializer::Deserialize(v8::internal::Isolate*) at >> /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/object-deserializer.cc:45 >> >> #49 0x000000010c7fc070 in >> v8::internal::ObjectDeserializer::DeserializeSharedFunctionInfo(v8::internal::Isolate*, >> >> v8::internal::SerializedCodeData const*, >> v8::internal::Handle<v8::internal::String>) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/object-deserializer.cc:29 >> >> #50 0x000000010c7f6e70 in >> v8::internal::CodeSerializer::Deserialize(v8::internal::Isolate*, >> v8::internal::ScriptData*, v8::internal::Handle<v8::internal::String>, >> v8::ScriptOriginOptions) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/snapshot/code-serializer.cc:289 >> >> #51 0x000000010c42971a in >> v8::internal::Compiler::GetSharedFunctionInfoForScript(v8::internal::Isolate*, >> >> v8::internal::Handle<v8::internal::String>, >> v8::internal::Compiler::ScriptDetails const&, v8::ScriptOriginOptions, >> v8::Extension*, v8::internal::ScriptData*, >> v8::ScriptCompiler::CompileOptions, v8::ScriptCompiler::NoCacheReason, >> v8::internal::NativesFlag) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/codegen/compiler.cc:2024 >> >> #52 0x000000010c398b1a in >> v8::ScriptCompiler::CompileUnboundInternal(v8::Isolate*, >> v8::ScriptCompiler::Source*, v8::ScriptCompiler::CompileOptions, >> v8::ScriptCompiler::NoCacheReason) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/api/api.cc:2435 >> >> #53 0x000000010c39909f in >> v8::ScriptCompiler::Compile(v8::Local<v8::Context>, >> v8::ScriptCompiler::Source*, v8::ScriptCompiler::CompileOptions, >> v8::ScriptCompiler::NoCacheReason) at /Volumes/EXTREME >> SSD/Documents/depot_tools/v8/v8/src/api/api.cc:2466 >> >> #54 0x000000010c36ed77 in >> facebook::V8Runtime::ExecuteScript(v8::Isolate*, v8::Local<v8::String> >> const&, std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> > const&) at >> /Users/wangzitong/Documents/v8executor/src/v8runtime/V8Runtime.mm:317 >> >> #55 0x000000010c371131 in >> facebook::V8Runtime::evaluateJavaScript(std::__1::shared_ptr<facebook::jsi::Buffer >> >> const> const&, std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> > const&) at >> /Users/wangzitong/Documents/v8executor/src/v8runtime/V8Runtime.mm:746 >> >> #56 0x000000010a762f72 in >> facebook::react::JSIExecutor::loadApplicationScript(std::__1::unique_ptr<facebook::react::JSBigString >> >> const, std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >) at >> /Users/wangzitong/Documents/imeituan/Pods/React-jsiexecutor/src/jsireact/JSIExecutor.cpp:126 >> >> #57 0x000000010a73a3f9 in >> facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >> >> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >> std::__1::unique_ptr<facebook::react::JSBigString const, >> std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >)::$_0::operator()(facebook::react::JSExecutor*) >> at >> /Users/wangzitong/Documents/imeituan/Pods/React-cxxreact/src/NativeToJsBridge.cpp:119 >> >> #58 0x000000010a73a2a2 in >> decltype(std::__1::forward<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >> >> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >> std::__1::unique_ptr<facebook::react::JSBigString const, >> std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >> >)::$_0&>(fp)(std::__1::forward<facebook::react::JSExecutor*>(fp0))) >> std::__1::__invoke<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >> >> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >> std::__1::unique_ptr<facebook::react::JSBigString const, >> std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >)::$_0&, >> facebook::react::JSExecutor*>(facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >> >> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >> std::__1::unique_ptr<facebook::react::JSBigString const, >> std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >)::$_0&, facebook::react::JSExecutor*&&) at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/type_traits:3545 >> >> #59 0x000000010a73a242 in void >> std::__1::__invoke_void_return_wrapper<void>::__call<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >> >> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >> std::__1::unique_ptr<facebook::react::JSBigString const, >> std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >)::$_0&, >> facebook::react::JSExecutor*>(facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >> >> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >> std::__1::unique_ptr<facebook::react::JSBigString const, >> std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >)::$_0&, facebook::react::JSExecutor*&&) at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__functional_base:348 >> >> #60 0x000000010a73a1f2 in >> std::__1::__function::__alloc_func<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >> >> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >> std::__1::unique_ptr<facebook::react::JSBigString const, >> std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >)::$_0, >> std::__1::allocator<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >> >> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >> std::__1::unique_ptr<facebook::react::JSBigString const, >> std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >)::$_0>, void >> (facebook::react::JSExecutor*)>::operator()(facebook::react::JSExecutor*&&) >> at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1546 >> >> #61 0x000000010a738cb3 in >> std::__1::__function::__func<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >> >> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >> std::__1::unique_ptr<facebook::react::JSBigString const, >> std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >)::$_0, >> std::__1::allocator<facebook::react::NativeToJsBridge::loadApplication(std::__1::unique_ptr<facebook::react::RAMBundleRegistry, >> >> std::__1::default_delete<facebook::react::RAMBundleRegistry> >, >> std::__1::unique_ptr<facebook::react::JSBigString const, >> std::__1::default_delete<facebook::react::JSBigString const> >, >> std::__1::basic_string<char, std::__1::char_traits<char>, >> std::__1::allocator<char> >)::$_0>, void >> (facebook::react::JSExecutor*)>::operator()(facebook::react::JSExecutor*&&) >> at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1720 >> >> #62 0x000000010a74601d in std::__1::__function::__value_func<void >> (facebook::react::JSExecutor*)>::operator()(facebook::react::JSExecutor*&&) >> const at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1873 >> >> #63 0x000000010a745fa0 in std::__1::function<void >> (facebook::react::JSExecutor*)>::operator()(facebook::react::JSExecutor*) >> const at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:2548 >> >> #64 0x000000010a745f68 in >> facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >> >> (facebook::react::JSExecutor*)>)::$_7::operator()() const at >> /Users/wangzitong/Documents/imeituan/Pods/React-cxxreact/src/NativeToJsBridge.cpp:269 >> >> #65 0x000000010a745edd in >> decltype(std::__1::forward<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >> >> (facebook::react::JSExecutor*)>)::$_7&>(fp)()) >> std::__1::__invoke<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >> >> (facebook::react::JSExecutor*)>)::$_7&>(facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >> >> (facebook::react::JSExecutor*)>)::$_7&) at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/type_traits:3545 >> >> #66 0x000000010a745e8d in void >> std::__1::__invoke_void_return_wrapper<void>::__call<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >> >> (facebook::react::JSExecutor*)>)::$_7&>(facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >> >> (facebook::react::JSExecutor*)>)::$_7&) at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__functional_base:348 >> >> #67 0x000000010a745e5d in >> std::__1::__function::__alloc_func<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >> >> (facebook::react::JSExecutor*)>)::$_7, >> std::__1::allocator<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >> >> (facebook::react::JSExecutor*)>)::$_7>, void ()>::operator()() at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1546 >> >> #68 0x000000010a7449be in >> std::__1::__function::__func<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >> >> (facebook::react::JSExecutor*)>)::$_7, >> std::__1::allocator<facebook::react::NativeToJsBridge::runOnExecutorQueue(std::__1::function<void >> >> (facebook::react::JSExecutor*)>)::$_7>, void ()>::operator()() at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1720 >> >> #69 0x000000010a5c6755 in std::__1::__function::__value_func<void >> ()>::operator()() const at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1873 >> >> #70 0x000000010a5c5e15 in std::__1::function<void ()>::operator()() >> const at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:2548 >> >> #71 0x000000010a5c5b88 in >> facebook::react::tryAndReturnError(std::__1::function<void ()> const&) at >> /Users/wangzitong/Documents/imeituan/Pods/React/React/CxxModule/RCTCxxUtils.mm:72 >> >> #72 0x000000010a61ccd1 in >> facebook::react::RCTMessageThread::tryFunc(std::__1::function<void ()> >> const&) at >> /Users/wangzitong/Documents/imeituan/Pods/React/React/CxxBridge/RCTMessageThread.mm:59 >> >> #73 0x000000010a621d43 in >> facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >> ()>&&)::$_1::operator()() const at >> /Users/wangzitong/Documents/imeituan/Pods/React/React/CxxBridge/RCTMessageThread.mm:72 >> >> #74 0x000000010a621ccd in >> decltype(std::__1::forward<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >> >> ()>&&)::$_1&>(fp)()) >> std::__1::__invoke<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >> >> ()>&&)::$_1&>(facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >> >> ()>&&)::$_1&) at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/type_traits:3545 >> >> #75 0x000000010a621c7d in void >> std::__1::__invoke_void_return_wrapper<void>::__call<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >> >> ()>&&)::$_1&>(facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >> >> ()>&&)::$_1&) at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/__functional_base:348 >> >> #76 0x000000010a621c4d in >> std::__1::__function::__alloc_func<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >> >> ()>&&)::$_1, >> std::__1::allocator<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >> >> ()>&&)::$_1>, void ()>::operator()() at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1546 >> >> #77 0x000000010a6207ae in >> std::__1::__function::__func<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >> >> ()>&&)::$_1, >> std::__1::allocator<facebook::react::RCTMessageThread::runOnQueue(std::__1::function<void >> >> ()>&&)::$_1>, void ()>::operator()() at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1720 >> >> #78 0x000000010a5c6755 in std::__1::__function::__value_func<void >> ()>::operator()() const at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:1873 >> >> #79 0x000000010a5c5e15 in std::__1::function<void ()>::operator()() >> const at >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/functional:2548 >> >> #80 0x000000010a61c92c in invocation function for block in >> facebook::react::RCTMessageThread::runAsync(std::__1::function<void ()>) at >> /Users/wangzitong/Documents/imeituan/Pods/React/React/CxxBridge/RCTMessageThread.mm:39 >> >> #81 0x00007fff203a85db in __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ () >> >> #82 0x00007fff203a79ef in __CFRunLoopDoBlocks () >> >> #83 0x00007fff203a2a6d in __CFRunLoopRun () >> >> #84 0x00007fff203a1b9e in CFRunLoopRunSpecific () >> >> #85 0x000000010a596071 in +[RCTCxxBridge runRunLoop] at >> /Users/wangzitong/Documents/imeituan/Pods/React/React/CxxBridge/RCTCxxBridge.mm:272 >> >> #86 0x00007fff2086f521 in __NSThread__start__ () >> >> #87 0x00007fff5dcdc109 in _pthread_start () >> >> #88 0x00007fff5dcd7b8b in thread_start () >> >> >> And I have digged out some facts: >> >> 1. If codecache is created with an engine that is already attached with a >> snapshot, not an empty engine, no crash. >> >> 2. If I annotate some code below in startup.js, no crash. >> >> function shouldUseNative() { >> var test3 = {}; >> 'abcdefghijklmnopqrst'.split('').forEach(function (letter) { >> test3[letter] = letter; >> }); >> if (Object.keys(test3).join('') !== 'abcdefghijklmnopqrst') { >> return false; >> } >> return true; >> } >> shouldUseNative(); >> >> >> V8 version:*7.8.279.23* >> >> Can someone know what causes the crash? Thanks. >> >> -- >> -- >> v8-dev mailing list >> [email protected] >> http://groups.google.com/group/v8-dev >> --- >> You received this message because you are subscribed to the Google Groups >> "v8-dev" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/v8-dev/CABaRidUYgN-6ovpJgoHraMtGWx_Nf226UgaN5SZ%2B97ohQsTnUw%40mail.gmail.com >> >> <https://groups.google.com/d/msgid/v8-dev/CABaRidUYgN-6ovpJgoHraMtGWx_Nf226UgaN5SZ%2B97ohQsTnUw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-dev/c3f4668d-cf4c-48a7-abb0-eb4809ec1678n%40googlegroups.com.
