ジュニア

@swift-main

@globalActor final actor FooActor { static let shared = FooActor() } protocol P {} struct Foo: @FooActor P {} nonisolated func checkConformance() { let foo = Foo() let _ = foo is P } checkConformance()

signal: segmentation fault (core dumped) with stderr:

Stack dump: 0. Program arguments: /usr/bin/swift-frontend -frontend -interpret - -Xllvm -aarch64-use-tbi -disable-objc-interop -no-color-diagnostics -Xcc -fno-color-diagnostics -empty-abi-descriptor -no-auto-bridging-header-chaining -module-name main -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins 1. Swift version 6.3-dev (LLVM 3a427639f2a06cf, Swift 5417f00a58578de) 2. Compiling with effective version 5.10 3. While running user code "<stdin>" #0 0x0000c45de34dda94 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/bin/swift-frontend+0x814da94) #1 0x0000c45de34db568 llvm::sys::RunSignalHandlers() (/usr/bin/swift-frontend+0x814b568) #2 0x0000c45de34de8c0 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0 #3 0x0000e32bb436c8f8 (linux-vdso.so.1+0x8f8) #4 0x0000e32bb400f028 swift::SubstGenericParametersFromMetadata::SubstGenericParametersFromMetadata(swift::TargetMetadata<swift::InProcess> const*) crtstuff.c:0:0 #5 0x0000e32bb40153dc swift_getAssociatedTypeWitnessSlow crtstuff.c:0:0 #6 0x0000e32bb27a8960 $ss11GlobalActorPsE21sharedUnownedExecutorScevgZ (/usr/lib/swift/linux/libswift_Concurrency.so+0x68960) #7 0x0000e32bb429631c #8 0x0000e32bb277e3e8 _swift_task_isCurrentGlobalActor crtstuff.c:0:0 #9 0x0000e32bb4041c64 swift_isInConformanceExecutionContext (/usr/lib/swift/linux/libswiftCore.so+0x441c64) #10 0x0000e32bb3ff37c4 swift::_conformsToProtocolInContext(swift::OpaqueValue const*, swift::TargetMetadata<swift::InProcess> const*, swift::TargetProtocolDescriptorRef<swift::InProcess>, swift::TargetWitnessTable<swift::InProcess> const**, bool) crtstuff.c:0:0 #11 0x0000e32bb3ff90d0 tryCastToConstrainedOpaqueExistential(swift::OpaqueValue*, swift::TargetMetadata<swift::InProcess> const*, swift::OpaqueValue*, swift::TargetMetadata<swift::InProcess> const*, swift::TargetMetad

stderr.log

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