[Bug target/109933] __atomic_test_and_set is broken for BIG ENDIAN riscv targets

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109933

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This might be fixed on the trunk with recent patches; note those patches are
NOT backportable from what I remember.