https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63273
--- Comment #6 from Dmitry Vyukov <dvyukov at google dot com> --- The real world situation is: replace atomic_load/store implementation with relaxed atomic builtins here: https://gcc.gnu.org/viewcvs/gcc/trunk/libsanitizer/sanitizer_common/sanitizer_atomic_clang_x86.h?view=markup then build tsan runtime and compare generated code for __tsan_read8 before and after the change. They should be roughly identical.
