Add an assertion that doing so is safe.
See rust-lang/rust-bindgen#1671
Can't use static_assert from <linux/build_bug.h> because that's
5.1+-only, but the underlying _Static_assert compiler builtin is
available widely.
See torvalds/linux@6bab69c65013bed5fce9f101a64a84d0385b3946
Add an assertion that doing so is safe. See rust-lang/rust-bindgen#1671
Can't use static_assert from <linux/build_bug.h> because that's 5.1+-only, but the underlying _Static_assert compiler builtin is available widely. See torvalds/linux@6bab69c65013bed5fce9f101a64a84d0385b3946