https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120347
--- Comment #8 from Arnd Bergmann <arnd at linaro dot org> --- My mistake, I accidentally reintroduced the kernel bug from https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54983 while debugging another issue, so the code in comment #4 does not actually appear in the Linux kernel.
