__attribute__((error(msg))) was introduced in gcc 4.3 (not 4.4) and as I
was unable to find any gcc bugs pertaining to it, I'm presuming that it
has functioned as advertised since 4.3.0.
Signed-off-by: NDaniel Santos <daniel.santos@pobox.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Tested-by: NDavid Rientjes <rientjes@google.com>
Signed-off-by: NMichal Marek <mmarek@suse.cz>