[libcxx-commits] [libcxx] [libc++][chrono] implements UTC clock. (PR #90393)
LLVM Continuous Integration via libcxx-commits
libcxx-commits at lists.llvm.org
Fri Jan 24 10:43:00 PST 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-hwasan` running on `sanitizer-buildbot11` while building `libcxx` at step 2 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/55/builds/6086
<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 /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/lib64 -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: 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=no, 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: 10019 of 10038 tests, 72 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: llvm-libc++abi-shared.cfg.in :: forced_unwind4.pass.cpp (9990 of 10019)
******************** TEST 'llvm-libc++abi-shared.cfg.in :: forced_unwind4.pass.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/libcxxabi/test/forced_unwind4.pass.cpp --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/libcxxabi/test-suite-install/include -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/aarch64-unknown-linux-gnu/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/../libcxx/test/support -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/../libcxx/src -D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS -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 -Werror=thread-safety -Wuser-defined-warnings -nostdlib++ -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/lib -Wl,-rpath,/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/lib -lc++ -lc++abi -pthread -latomic -o /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test/Output/forced_unwind4.pass.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/libcxxabi/test/forced_unwind4.pass.cpp --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/libcxxabi/test-suite-install/include -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/aarch64-unknown-linux-gnu/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/../libcxx/test/support -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/../libcxx/src -D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS -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 -Werror=thread-safety -Wuser-defined-warnings -nostdlib++ -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/lib -Wl,-rpath,/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/lib -lc++ -lc++abi -pthread -latomic -o /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test/Output/forced_unwind4.pass.cpp.dir/t.tmp.exe
# .---command stderr------------
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/test/forced_unwind4.pass.cpp:25:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/chrono:1009:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/formatter.h:20:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/convert_to_tm.h:27:
# | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/utc_clock.h:94:11: error: unknown type name 'tzdb'
# | 94 | const tzdb& __tzdb = chrono::get_tzdb();
# | | ^
# | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/utc_clock.h:94:34: error: no member named 'get_tzdb' in namespace 'std::chrono'
# | 94 | const tzdb& __tzdb = chrono::get_tzdb();
# | | ~~~~~~~~^
# | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/utc_clock.h:113:9: error: unknown type name 'tzdb'
# | 113 | const tzdb& __tzdb = chrono::get_tzdb();
# | | ^
# | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/utc_clock.h:113:32: error: no member named 'get_tzdb' in namespace 'std::chrono'
# | 113 | const tzdb& __tzdb = chrono::get_tzdb();
# | | ~~~~~~~~^
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/test/forced_unwind4.pass.cpp:25:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/chrono:1009:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/formatter.h:29:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/ostream.h:40:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/sstream:323:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__ostream/basic_ostream.h:27:
# | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/bitset:385:59: error: shift count >= width of type [-Werror,-Wshift-count-overflow]
# | 385 | __r |= static_cast<unsigned long long>(__first_[__i]) << (sizeof(__storage_type) * CHAR_BIT);
# | | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 5 errors generated.
# `-----------------------------
# error: command failed with exit status: 1
Step 10 (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 /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxx/test/benchmarks/google-benchmark/lib64 -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: 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=no, 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: 10019 of 10038 tests, 72 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: llvm-libc++abi-shared.cfg.in :: forced_unwind4.pass.cpp (9990 of 10019)
******************** TEST 'llvm-libc++abi-shared.cfg.in :: forced_unwind4.pass.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/libcxxabi/test/forced_unwind4.pass.cpp --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/libcxxabi/test-suite-install/include -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/aarch64-unknown-linux-gnu/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/../libcxx/test/support -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/../libcxx/src -D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS -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 -Werror=thread-safety -Wuser-defined-warnings -nostdlib++ -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/lib -Wl,-rpath,/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/lib -lc++ -lc++abi -pthread -latomic -o /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test/Output/forced_unwind4.pass.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/libcxxabi/test/forced_unwind4.pass.cpp --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/libcxxabi/test-suite-install/include -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/aarch64-unknown-linux-gnu/c++/v1 -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/../libcxx/test/support -I /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/../libcxx/src -D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS -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 -Werror=thread-safety -Wuser-defined-warnings -nostdlib++ -L /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/lib -Wl,-rpath,/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/lib -lc++ -lc++abi -pthread -latomic -o /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test/Output/forced_unwind4.pass.cpp.dir/t.tmp.exe
# .---command stderr------------
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/test/forced_unwind4.pass.cpp:25:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/chrono:1009:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/formatter.h:20:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/convert_to_tm.h:27:
# | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/utc_clock.h:94:11: error: unknown type name 'tzdb'
# | 94 | const tzdb& __tzdb = chrono::get_tzdb();
# | | ^
# | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/utc_clock.h:94:34: error: no member named 'get_tzdb' in namespace 'std::chrono'
# | 94 | const tzdb& __tzdb = chrono::get_tzdb();
# | | ~~~~~~~~^
# | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/utc_clock.h:113:9: error: unknown type name 'tzdb'
# | 113 | const tzdb& __tzdb = chrono::get_tzdb();
# | | ^
# | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/utc_clock.h:113:32: error: no member named 'get_tzdb' in namespace 'std::chrono'
# | 113 | const tzdb& __tzdb = chrono::get_tzdb();
# | | ~~~~~~~~^
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/libcxxabi/test/forced_unwind4.pass.cpp:25:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/chrono:1009:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/formatter.h:29:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__chrono/ostream.h:40:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/sstream:323:
# | In file included from /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/__ostream/basic_ostream.h:27:
# | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/libcxx_build_hwasan/libcxxabi/test-suite-install/include/c++/v1/bitset:385:59: error: shift count >= width of type [-Werror,-Wshift-count-overflow]
# | 385 | __r |= static_cast<unsigned long long>(__first_[__i]) << (sizeof(__storage_type) * CHAR_BIT);
# | | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | 5 errors generated.
# `-----------------------------
# error: command failed with exit status: 1
```
</details>
https://github.com/llvm/llvm-project/pull/90393
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