https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124225
--- Comment #1 from Liam Powell <liam at liampwll dot com> --- Minor correction: The access type is not implicitly atomic on x64 because the access type is actually two pointers, but the reproducer still shows the bug. There's just also an even worse case here when switching from one handler to another instead of null.
