[libcxx-commits] [libcxx] [libc++] Define all CMake configuration features in the same location (PR #115361)

Thu Nov 14 15:38:24 PST 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-hwasan` running on `sanitizer-buildbot12` while building `libcxx` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/55/builds/3560

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{cxx} substitution: '/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang++'
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{flags} substitution: '-pthread --target=aarch64-unknown-linux-gnu -g -fno-omit-frame-pointer -fsanitize=hwaddress'
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{compile_flags} substitution: '-nostdinc++ -I %{target-include-dir} -I %{include-dir} -I %{libcxx-dir}/test/support -std=c++26 -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_ENABLE_EXPERIMENTAL -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -Werror=thread-safety -Wuser-defined-warnings'
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{link_flags} substitution: '-lc++experimental -nostdlib++ -L %{lib-dir} -Wl,-rpath,%{lib-dir} -lc++ -latomic'
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{benchmark_flags} substitution: '-I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/include -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/lib -l benchmark'
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{exec} substitution: '%{executor} --execdir %T -- '
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) All available features: -faligned-allocation, -fsized-deallocation, add-latomic-workaround, buildhost=linux, c++26, c++experimental, can-create-symlinks, clang, clang-20, clang-20.0, clang-20.0.0, diagnose-if-support, enable-benchmarks=dry-run, gcc-style-warnings, glibc-old-ru_RU-decimal-point, has-1024-bit-atomics, has-64-bit-atomics, has-fblocks, has-fconstexpr-steps, has-unix-headers, hwasan, large_tests, libcpp-abi-version=1, libcpp-hardening-mode=none, libcpp-has-no-availability-markup, libcpp-has-thread-api-pthread, linux, lsan, objective-c++, optimization=none, sanitizer-new-delete, stdlib=libc++, stdlib=llvm-libc++, target=aarch64-unknown-linux-gnu, thread-safety, verify-support
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 1500 seconds was requested on the command line. Forcing timeout to be 1500 seconds.
-- Testing: 9909 of 9929 tests, 48 workers --
Testing:  0.. 
FAIL: llvm-libc++-shared.cfg.in :: benchmarks/formatted_size.bench.cpp (1036 of 9909)
******************** TEST 'llvm-libc++-shared.cfg.in :: benchmarks/formatted_size.bench.cpp' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# COMPILED WITH
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang++ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/benchmarks/formatted_size.bench.cpp -pthread --target=aarch64-unknown-linux-gnu -g -fno-omit-frame-pointer -fsanitize=hwaddress -nostdinc++ -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/support -std=c++26 -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_ENABLE_EXPERIMENTAL -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -Werror=thread-safety -Wuser-defined-warnings  -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/include -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/lib -l benchmark -lc++experimental -nostdlib++ -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/lib -Wl,-rpath,/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/lib -lc++ -latomic -o /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/Output/formatted_size.bench.cpp.dir/t.tmp.exe
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang++ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/benchmarks/formatted_size.bench.cpp -pthread --target=aarch64-unknown-linux-gnu -g -fno-omit-frame-pointer -fsanitize=hwaddress -nostdinc++ -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/support -std=c++26 -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_ENABLE_EXPERIMENTAL -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -Werror=thread-safety -Wuser-defined-warnings -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/include -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/lib -l benchmark -lc++experimental -nostdlib++ -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/lib -Wl,-rpath,/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/lib -lc++ -latomic -o /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/Output/formatted_size.bench.cpp.dir/t.tmp.exe
# .---command stderr------------
# | clang-20: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/ADT/ilist_iterator.h:168: reference llvm::ilist_iterator<llvm::ilist_detail::node_options<llvm::MachineBasicBlock, true, false, void, false, void>, false, true>::operator*() const [OptionsT = llvm::ilist_detail::node_options<llvm::MachineBasicBlock, true, false, void, false, void>, IsReverse = false, IsConst = true]: Assertion `!NodePtr->isKnownSentinel()' failed.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
# | Stack dump:
# | 0.	Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20 -cc1 -triple aarch64-unknown-linux-gnu -emit-obj -dumpdir /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/Output/formatted_size.bench.cpp.dir/t.tmp.exe- -disable-free -clear-ast-before-backend -main-file-name formatted_size.bench.cpp -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=non-leaf -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu generic -target-feature +v8a -target-feature +fp-armv8 -target-feature +neon -target-abi aapcs -debug-info-kind=constructor -dwarf-version=5 -debugger-tuning=gdb -fdebug-compilation-dir=/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks -fcoverage-compilation-dir=/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks -nostdinc++ -resource-dir /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/lib/clang/20 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/support -D _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D _LIBCPP_ENABLE_EXPERIMENTAL -D _LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/include -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/lib/clang/20/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/aarch64-linux-gnu/13/../../../../aarch64-linux-gnu/include -internal-externc-isystem /usr/include/aarch64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -Werror=thread-safety -Wuser-defined-warnings -std=c++26 -fdeprecated-macro -ferror-limit 19 -pthread -fno-signed-char -fgnuc-version=4.2.1 -fno-implicit-modules -fskip-odr-check-in-gmf -fcxx-exceptions -fexceptions -fsanitize=hwaddress -fsanitize-system-ignorelist=/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/lib/clang/20/share/hwasan_ignorelist.txt -fno-sanitize-memory-param-retval -fno-sanitize-address-use-odr-indicator -default-function-attr hwasan-abi=interceptor -target-feature +tagged-globals -target-feature +outline-atomics -target-feature -fmv -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/lit-tmp-n_7kdq5t/formatted_size-78335e.o -x c++ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/benchmarks/formatted_size.bench.cpp
# | 1.	<eof> parser at end of file
# | 2.	Code generation
# | 3.	Running pass 'Function Pass Manager' on module '/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/benchmarks/formatted_size.bench.cpp'.
# | 4.	Running pass 'AArch64 Assembly Printer' on function '@_ZNSt3__120__libcpp_unreachableB8ne200000Ev'
# |  #0 0x0000c67f727c8740 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x8158740)
# |  #1 0x0000c67f727c65e8 llvm::sys::RunSignalHandlers() (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x81565e8)
# |  #2 0x0000c67f727c8e50 SignalHandler(int) Signals.cpp:0:0
# |  #3 0x0000f42d37f588f8 (linux-vdso.so.1+0x8f8)
# |  #4 0x0000f42d378c7628 (/lib/aarch64-linux-gnu/libc.so.6+0x87628)
# |  #5 0x0000f42d3787cb3c raise (/lib/aarch64-linux-gnu/libc.so.6+0x3cb3c)
# |  #6 0x0000f42d37867e00 abort (/lib/aarch64-linux-gnu/libc.so.6+0x27e00)
# |  #7 0x0000f42d37875cbc (/lib/aarch64-linux-gnu/libc.so.6+0x35cbc)
# |  #8 0x0000f42d37875d2c (/lib/aarch64-linux-gnu/libc.so.6+0x35d2c)
# |  #9 0x0000c67f73759068 llvm::DwarfDebug::emitInitialLocDirective(llvm::MachineFunction const&, unsigned int) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x90e9068)
# | #10 0x0000c67f7375a768 llvm::DwarfDebug::beginFunctionImpl(llvm::MachineFunction const*) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x90ea768)
# | #11 0x0000c67f73720c54 llvm::AsmPrinter::emitFunctionHeader() (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x90b0c54)
# | #12 0x0000c67f73723810 llvm::AsmPrinter::emitFunctionBody() (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x90b3810)
# | #13 0x0000c67f7017e8c0 (anonymous namespace)::AArch64AsmPrinter::runOnMachineFunction(llvm::MachineFunction&) AArch64AsmPrinter.cpp:0:0
# | #14 0x0000c67f71ca6b50 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x7636b50)
# | #15 0x0000c67f721c8ba8 llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x7b58ba8)
# | #16 0x0000c67f721d0848 llvm::FPPassManager::runOnModule(llvm::Module&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x7b60848)
# | #17 0x0000c67f721c9588 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x7b59588)
# | #18 0x0000c67f72f88bec clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x8918bec)
# | #19 0x0000c67f72faa830 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x893a830)
# | #20 0x0000c67f74cf6e68 clang::ParseAST(clang::Sema&, bool, bool) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0xa686e68)
Step 11 (stage2/hwasan check-cxx) failure: stage2/hwasan check-cxx (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{cxx} substitution: '/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang++'
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{flags} substitution: '-pthread --target=aarch64-unknown-linux-gnu -g -fno-omit-frame-pointer -fsanitize=hwaddress'
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{compile_flags} substitution: '-nostdinc++ -I %{target-include-dir} -I %{include-dir} -I %{libcxx-dir}/test/support -std=c++26 -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_ENABLE_EXPERIMENTAL -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -Werror=thread-safety -Wuser-defined-warnings'
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{link_flags} substitution: '-lc++experimental -nostdlib++ -L %{lib-dir} -Wl,-rpath,%{lib-dir} -lc++ -latomic'
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{benchmark_flags} substitution: '-I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/include -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/lib -l benchmark'
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) Using %{exec} substitution: '%{executor} --execdir %T -- '
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/utils/libcxx/test/config.py:24: note: (llvm-libc++-shared.cfg.in) All available features: -faligned-allocation, -fsized-deallocation, add-latomic-workaround, buildhost=linux, c++26, c++experimental, can-create-symlinks, clang, clang-20, clang-20.0, clang-20.0.0, diagnose-if-support, enable-benchmarks=dry-run, gcc-style-warnings, glibc-old-ru_RU-decimal-point, has-1024-bit-atomics, has-64-bit-atomics, has-fblocks, has-fconstexpr-steps, has-unix-headers, hwasan, large_tests, libcpp-abi-version=1, libcpp-hardening-mode=none, libcpp-has-no-availability-markup, libcpp-has-thread-api-pthread, linux, lsan, objective-c++, optimization=none, sanitizer-new-delete, stdlib=libc++, stdlib=llvm-libc++, target=aarch64-unknown-linux-gnu, thread-safety, verify-support
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 1500 seconds was requested on the command line. Forcing timeout to be 1500 seconds.
-- Testing: 9909 of 9929 tests, 48 workers --
Testing:  0.. 
FAIL: llvm-libc++-shared.cfg.in :: benchmarks/formatted_size.bench.cpp (1036 of 9909)
******************** TEST 'llvm-libc++-shared.cfg.in :: benchmarks/formatted_size.bench.cpp' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# COMPILED WITH
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang++ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/benchmarks/formatted_size.bench.cpp -pthread --target=aarch64-unknown-linux-gnu -g -fno-omit-frame-pointer -fsanitize=hwaddress -nostdinc++ -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/support -std=c++26 -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_ENABLE_EXPERIMENTAL -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -Werror=thread-safety -Wuser-defined-warnings  -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/include -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/lib -l benchmark -lc++experimental -nostdlib++ -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/lib -Wl,-rpath,/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/lib -lc++ -latomic -o /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/Output/formatted_size.bench.cpp.dir/t.tmp.exe
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang++ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/benchmarks/formatted_size.bench.cpp -pthread --target=aarch64-unknown-linux-gnu -g -fno-omit-frame-pointer -fsanitize=hwaddress -nostdinc++ -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/support -std=c++26 -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCPP_ENABLE_EXPERIMENTAL -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -Werror=thread-safety -Wuser-defined-warnings -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/include -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/lib -l benchmark -lc++experimental -nostdlib++ -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/lib -Wl,-rpath,/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/lib -lc++ -latomic -o /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/Output/formatted_size.bench.cpp.dir/t.tmp.exe
# .---command stderr------------
# | clang-20: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/include/llvm/ADT/ilist_iterator.h:168: reference llvm::ilist_iterator<llvm::ilist_detail::node_options<llvm::MachineBasicBlock, true, false, void, false, void>, false, true>::operator*() const [OptionsT = llvm::ilist_detail::node_options<llvm::MachineBasicBlock, true, false, void, false, void>, IsReverse = false, IsConst = true]: Assertion `!NodePtr->isKnownSentinel()' failed.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
# | Stack dump:
# | 0.	Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20 -cc1 -triple aarch64-unknown-linux-gnu -emit-obj -dumpdir /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/Output/formatted_size.bench.cpp.dir/t.tmp.exe- -disable-free -clear-ast-before-backend -main-file-name formatted_size.bench.cpp -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=non-leaf -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu generic -target-feature +v8a -target-feature +fp-armv8 -target-feature +neon -target-abi aapcs -debug-info-kind=constructor -dwarf-version=5 -debugger-tuning=gdb -fdebug-compilation-dir=/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks -fcoverage-compilation-dir=/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks -nostdinc++ -resource-dir /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/lib/clang/20 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/support -D _LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D _LIBCPP_ENABLE_EXPERIMENTAL -D _LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/include -internal-isystem /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/lib/clang/20/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/aarch64-linux-gnu/13/../../../../aarch64-linux-gnu/include -internal-externc-isystem /usr/include/aarch64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -Werror -Wall -Wctad-maybe-unsupported -Wextra -Wshadow -Wundef -Wunused-template -Wno-unused-command-line-argument -Wno-attributes -Wno-pessimizing-move -Wno-noexcept-type -Wno-atomic-alignment -Wno-reserved-module-identifier -Wdeprecated-copy -Wdeprecated-copy-dtor -Wno-user-defined-literals -Wno-tautological-compare -Wsign-compare -Wunused-variable -Wunused-parameter -Wunreachable-code -Wno-unused-local-typedef -Wno-local-type-template-args -Wno-c++11-extensions -Wno-unknown-pragmas -Wno-pass-failed -Wno-mismatched-new-delete -Wno-redundant-move -Wno-self-move -Werror=thread-safety -Wuser-defined-warnings -std=c++26 -fdeprecated-macro -ferror-limit 19 -pthread -fno-signed-char -fgnuc-version=4.2.1 -fno-implicit-modules -fskip-odr-check-in-gmf -fcxx-exceptions -fexceptions -fsanitize=hwaddress -fsanitize-system-ignorelist=/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/lib/clang/20/share/hwasan_ignorelist.txt -fno-sanitize-memory-param-retval -fno-sanitize-address-use-odr-indicator -default-function-attr hwasan-abi=interceptor -target-feature +tagged-globals -target-feature +outline-atomics -target-feature -fmv -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/lit-tmp-n_7kdq5t/formatted_size-78335e.o -x c++ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/benchmarks/formatted_size.bench.cpp
# | 1.	<eof> parser at end of file
# | 2.	Code generation
# | 3.	Running pass 'Function Pass Manager' on module '/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxx/test/benchmarks/formatted_size.bench.cpp'.
# | 4.	Running pass 'AArch64 Assembly Printer' on function '@_ZNSt3__120__libcpp_unreachableB8ne200000Ev'
# |  #0 0x0000c67f727c8740 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x8158740)
# |  #1 0x0000c67f727c65e8 llvm::sys::RunSignalHandlers() (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x81565e8)
# |  #2 0x0000c67f727c8e50 SignalHandler(int) Signals.cpp:0:0
# |  #3 0x0000f42d37f588f8 (linux-vdso.so.1+0x8f8)
# |  #4 0x0000f42d378c7628 (/lib/aarch64-linux-gnu/libc.so.6+0x87628)
# |  #5 0x0000f42d3787cb3c raise (/lib/aarch64-linux-gnu/libc.so.6+0x3cb3c)
# |  #6 0x0000f42d37867e00 abort (/lib/aarch64-linux-gnu/libc.so.6+0x27e00)
# |  #7 0x0000f42d37875cbc (/lib/aarch64-linux-gnu/libc.so.6+0x35cbc)
# |  #8 0x0000f42d37875d2c (/lib/aarch64-linux-gnu/libc.so.6+0x35d2c)
# |  #9 0x0000c67f73759068 llvm::DwarfDebug::emitInitialLocDirective(llvm::MachineFunction const&, unsigned int) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x90e9068)
# | #10 0x0000c67f7375a768 llvm::DwarfDebug::beginFunctionImpl(llvm::MachineFunction const*) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x90ea768)
# | #11 0x0000c67f73720c54 llvm::AsmPrinter::emitFunctionHeader() (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x90b0c54)
# | #12 0x0000c67f73723810 llvm::AsmPrinter::emitFunctionBody() (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x90b3810)
# | #13 0x0000c67f7017e8c0 (anonymous namespace)::AArch64AsmPrinter::runOnMachineFunction(llvm::MachineFunction&) AArch64AsmPrinter.cpp:0:0
# | #14 0x0000c67f71ca6b50 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x7636b50)
# | #15 0x0000c67f721c8ba8 llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x7b58ba8)
# | #16 0x0000c67f721d0848 llvm::FPPassManager::runOnModule(llvm::Module&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x7b60848)
# | #17 0x0000c67f721c9588 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x7b59588)
# | #18 0x0000c67f72f88bec clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x8918bec)
# | #19 0x0000c67f72faa830 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0x893a830)
# | #20 0x0000c67f74cf6e68 clang::ParseAST(clang::Sema&, bool, bool) (/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build0/bin/clang-20+0xa686e68)

```

</details>

https://github.com/llvm/llvm-project/pull/115361