https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113244
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I suspect this is because libstdc++.so is NOT instrumented for TSAN.
pinskia at gcc dot gnu.org via Gcc-bugs Fri, 05 Jan 2024 13:54:58 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113244
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I suspect this is because libstdc++.so is NOT instrumented for TSAN.