[Bug target/109166] Built-in __atomic_test_and_set does not seem to be atomic on ARMv4T

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109166

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Armv4t does not have smp so the question is how do you think the below is not
atomic? Yes interrupts but that requires more.