https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100298
Bug ID: 100298 Summary: noexcept is missing for thread::hardware_concurrency clang refuses the code Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: unlvsur at live dot com Target Milestone: --- In file included from In file included from /home/cqwrteur/myhome/libstdcxx_wasm_build/include/bits/atomic_futex.h:39: In file included from /home/cqwrteur/myhome/libstdcxx_wasm_build/include/mutex:47: In file included from /home/cqwrteur/myhome/libstdcxx_wasm_build/include/thread:43: /home/cqwrteur/myhome/libstdcxx_wasm_build/include/bits/std_thread.h:273:31: error: 'hardware_concurrency' is missing exception specification 'noexcept' inline unsigned int thread::hardware_concurrency() { return 0; } ^ /home/cqwrteur/myhome/libstdcxx_wasm_build/include/bits/std_thread.h:196:5: note: previous declaration is here hardware_concurrency() noexcept; ^ 1 warning and 1 error generated. 1 warning generated. 2 warnings generated. 1 warning and 1 error generated. 4 warnings generated. make[3]: *** [Makefile:648: future.lo] Error 1 5 warnings generated. make[3]: *** [Makefile:648: futex.lo] Error 1