[Bug middle-end/94600] Ignored volatile specifier on loop unrolling and bitfield misoptimization

[hp at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94600

--- Comment #2 from Hans-Peter Nilsson <hp at gcc dot gnu.org> ---
For various targets and gcc versions I've noticed this bug as far back as
gcc-4.7.