https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98344
Bug ID: 98344 Summary: Testsuite 17_intro/headers/c++2020/stdc++.cc failure Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: rimvydas.jas at gmail dot com Target Milestone: --- Testsuite on x86_64-*-dragonfly gives: Running target unix FAIL: 17_intro/headers/c++2020/stdc++.cc (test for excess errors) FAIL: 17_intro/headers/c++2020/stdc++_multiple_inclusion.cc (test for excess errors) spawn -ignore SIGHUP /build/trunk/./gcc/xg++ -shared-libgcc -B/build/trunk/./gcc -nostdinc++ -L/build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/src -L/build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/src/.libs -L/build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/libsupc++/.libs -B/opt/gcc11f/x86_64-unknown-dragonfly5.9/bin/ -B/opt/gcc11f/x86_64-unknown-dragonfly5.9/lib/ -isystem /opt/gcc11f/x86_64-unknown-dragonfly5.9/include -isystem /opt/gcc11f/x86_64-unknown-dragonfly5.9/sys-include -fchecking=1 -B/build/trunk/x86_64-unknown-dragonfly5.9/./libstdc++-v3/src/.libs -fmessage-length=0 -fno-show-column -ffunction-sections -fdata-sections -g -O2 -DLOCALEDIR="." -nostdinc++ -I/build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/include/x86_64-unknown-dragonfly5.9 -I/build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/include -I/data/gg/libstdc++-v3/libsupc++ -I/data/gg/libstdc++-v3/include/backward -I/data/gg/libstdc++-v3/testsuite/util /data/gg/libstdc++-v3/testsuite/17_intro/headers/c++2020/stdc++.cc -std=gnu++2a -Wall -Wsystem-headers -fdiagnostics-plain-output -S -o stdc++.s In file included from /build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/include/semaphore:35, from /build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/include/stop_token:37, from /build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/include/condition_variable:47, from /build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/include/x86_64-unknown-dragonfly5.9/bits/stdc++.h:103, from /data/gg/libstdc++-v3/testsuite/17_intro/headers/c++2020/stdc++.cc:25: /build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/include/bits/semaphore_base.h:279: warning: extra tokens at end of #ifdef directive FAIL: 17_intro/headers/c++2020/stdc++.cc (test for excess errors) Excess errors: /build/trunk/x86_64-unknown-dragonfly5.9/libstdc++-v3/include/bits/semaphore_base.h:279: warning: extra tokens at end of #ifdef directive extra_tool_flags are: -std=gnu++2a -Wall -Wsystem-headers The libstdc++-v3/include/bits/semaphore_base.h:279 looks to be a typo: // Note: the _GLIBCXX_REQUIRE_POSIX_SEMAPHORE macro can be used to force the // use of Posix semaphores (sem_t). Doing so however, alters the ABI. #ifdef _GLIBCXX_HAVE_LINUX_FUTEX && !_GLIBCXX_REQUIRE_POSIX_SEMAPHORE // Use futex if available and didn't force use of POSIX