https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48868
--- Comment #3 from Sam James <sjames at gcc dot gnu.org> --- dg-torture as suggested in https://inbox.sourceware.org/gcc-patches/CAFiYyc2s-nBPwON-zLqprGUy_nNOZwHCq9LtK99M53=xk+j...@mail.gmail.com/ would help. Should we copy gcc.target/i386/math-torture for a new gcc.target/i386/tls-torture, and move testcases referencing __thread from gcc.target/i386 inside?