$ make clean all
rm -f kernel.elf kernel8.img kernel.map
swift package clean
swift build --triple aarch64-none-none-elf -c release -Xswiftc -Osize --experimental-lto-mode=full -Xswiftc -experimental-hermetic-seal-at-link
Building for production...
error: compile command failed due to signal 6 (use -v to see invocation)
swift-frontend: /home/build-user/swift/lib/SIL/Utils/OwnershipLiveness.cpp:84: swift::LinearLiveness::LinearLiveness(swift::SILValue, swift::LinearLiveness::IncludeExtensions_t): Assertion `borrowedValue && borrowedValue.isLocalScope()' failed.
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.      Program arguments: /home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend -frontend -emit-bc /home/kebo/swift_os/Sources/Kernel/Framebuffer.swift /home/kebo/swift_os/Sources/Kernel/kmain.swift /home/kebo/swift_os/Sources/Kernel/mbox.swift /home/kebo/swift_os/Sources/Kernel/mmio.swift /home/kebo/swift_os/Sources/Kernel/putchar.swift /home/kebo/swift_os/Sources/Kernel/uart.swift -supplementary-output-file-map /tmp/TemporaryDirectory.Ujoqzj/supplementaryOutputs-1 -target aarch64-none-none-elf -Xllvm -aarch64-use-tbi -disable-objc-interop -I /home/kebo/swift_os/.build/aarch64-none-none-elf/release/Modules -color-diagnostics -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /home/kebo/swift_os/.build/aarch64-none-none-elf/release/ModuleCache -swift-version 6 -Osize -lto=llvm-full -D SWIFT_PACKAGE -D RASPI4 -no-allocations -function-sections -disable-stack-protector -enable-experimental-feature Embedded -enable-experimental-feature Volatile -enable-llvm-vfe -enable-llvm-wme -conditional-runtime-records -internalize-at-link -empty-abi-descriptor -resource-dir /home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/lib/swift -file-compilation-dir /home/kebo/swift_os -Xcc -fmodule-map-file=/home/kebo/swift_os/.build/aarch64-none-none-elf/release/MailboxMessage.build/module.modulemap -Xcc -I -Xcc /home/kebo/swift_os/Sources/MailboxMessage/include -Xcc -fmodule-map-file=/home/kebo/swift_os/.build/aarch64-none-none-elf/release/Font.build/module.modulemap -Xcc -I -Xcc /home/kebo/swift_os/Sources/Font/include -Xcc -fmodule-map-file=/home/kebo/swift_os/.build/aarch64-none-none-elf/release/Support.build/module.modulemap -Xcc -I -Xcc /home/kebo/swift_os/Sources/Support/include -Xcc -g -module-name Kernel -package-name swift_os -in-process-plugin-server-path /home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/lib/swift/host/plugins -plugin-path /home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/local/lib/swift/host/plugins -enable-default-cmo -parse-as-library -num-threads 4 -o /home/kebo/swift_os/.build/aarch64-none-none-elf/release/Kernel.build/Framebuffer.swift.bc -o /home/kebo/swift_os/.build/aarch64-none-none-elf/release/Kernel.build/kmain.swift.bc -o /home/kebo/swift_os/.build/aarch64-none-none-elf/release/Kernel.build/mbox.swift.bc -o /home/kebo/swift_os/.build/aarch64-none-none-elf/release/Kernel.build/mmio.swift.bc -o /home/kebo/swift_os/.build/aarch64-none-none-elf/release/Kernel.build/putchar.swift.bc -o /home/kebo/swift_os/.build/aarch64-none-none-elf/release/Kernel.build/uart.swift.bc
1.      Swift version 6.1-dev (LLVM 42f3e8ef873e24d, Swift c690fefef71c26a)
2.      Compiling with the current language version
3.      While verifying SIL function "@$s6Kernel11FramebufferV10drawString_1x1y5colorys06StaticD0V_S2is6UInt32VtF".
 for 'drawString(_:x:y:color:)' (at /home/kebo/swift_os/Sources/Kernel/Framebuffer.swift:128:5)
 #0 0x00005555bf6ab6e0 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0x7dbb6e0)
 #1 0x00005555bf6a951c llvm::sys::RunSignalHandlers() (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0x7db951c)
 #2 0x00005555bf6abdfc SignalHandler(int) Signals.cpp:0:0
 #3 0x00007ffefc4ac7b0 (linux-vdso.so.1+0x7b0)
 #4 0x00007ffefa900a50 __pthread_kill_implementation ./nptl/./nptl/pthread_kill.c:44:76
 #5 0x00007ffefa8ba72c raise ./signal/../sysdeps/posix/raise.c:27:6
 #6 0x00007ffefa8a747c abort ./stdlib/./stdlib/abort.c:81:7
 #7 0x00007ffefa8b41a4 __assert_fail_base ./assert/./assert/assert.c:89:7
 #8 0x00007ffefa8b420c (/lib/aarch64-linux-gnu/libc.so.6+0x3420c)
 #9 0x00005555b9998660 swift::LinearLiveness::LinearLiveness(swift::SILValue, swift::LinearLiveness::IncludeExtensions_t) (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0x20a8660)
#10 0x00005555b99de714 swift::SILVisitorBase<(anonymous namespace)::SILVerifier, void>::visitSILBasicBlock(swift::SILBasicBlock*) SILVerifier.cpp:0:0
#11 0x00005555b99d5110 (anonymous namespace)::SILVerifier::visitSILBasicBlock(swift::SILBasicBlock*) SILVerifier.cpp:0:0
#12 0x00005555b99d3514 (anonymous namespace)::SILVerifier::visitSILFunction(swift::SILFunction*) SILVerifier.cpp:0:0
#13 0x00005555b99ccc58 swift::SILFunction::verify(swift::CalleeCache*, bool, bool, bool) const (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0x20dcc58)
#14 0x00005555b99cfef8 swift::SILModule::verify(swift::CalleeCache*, bool, bool) const (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0x20dfef8)
#15 0x00005555b99cfdfc swift::SILModule::verify(bool, bool) const (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0x20dfdfc)
#16 0x00005555b8a9b98c swift::CompilerInstance::performSILProcessing(swift::SILModule*) (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0x11ab98c)
#17 0x00005555b8786670 performCompileStepsPostSILGen(swift::CompilerInstance&, std::unique_ptr<swift::SILModule, std::default_delete<swift::SILModule> >, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::PrimarySpecificPaths const&, int&, swift::FrontendObserver*) FrontendTool.cpp:0:0
#18 0x00005555b87859b0 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*) (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0xe959b0)
#19 0x00005555b87935b8 withSemanticAnalysis(swift::CompilerInstance&, swift::FrontendObserver*, llvm::function_ref<bool (swift::CompilerInstance&)>, bool) FrontendTool.cpp:0:0
#20 0x00005555b8788198 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*) FrontendTool.cpp:0:0
#21 0x00005555b87873a0 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0xe973a0)
#22 0x00005555b858cc70 swift::mainEntry(int, char const**) (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0xc9cc70)
#23 0x00007ffefa8a7740 __libc_start_call_main ./csu/../sysdeps/nptl/libc_start_call_main.h:74:3
#24 0x00007ffefa8a7818 call_init ./csu/../csu/libc-start.c:128:20
#25 0x00007ffefa8a7818 __libc_start_main ./csu/../csu/libc-start.c:347:5
#26 0x00005555b858be70 _start (/home/kebo/.local/share/swiftly/toolchains/main-snapshot-2024-11-28/usr/bin/swift-frontend+0xc9be70)

make: *** [Makefile:25: swift] Error 1