http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56977
Bastiaan Jacques <bastiaan at bjacques dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |bastiaan at bjacques dot org
--- Comment #7 from Bastiaan Jacques <bastiaan at bjacques dot org> ---
The following program fd.cc:
#include <sys/select.h>
int some_socket = 0;
void
foo()
{
fd_set fdset;
struct timeval tval;
FD_ZERO(&fdset);
FD_SET(some_socket, &fdset);
}
When compiled with:
g++ -c -o fd.o fd.cc -D_FORTIFY_SOURCE=2 -Og
Generates the following warning:
fd.cc:12:219: warning: call to ‘__fdelt_warn’ declared with attribute warning:
bit outside of fd_set selected [enabled by default]
FD_SET(some_socket, &fdset);
I think this might be another instance of this bug, because it goes away when
switching to -O2 (but I don't have a 4.8 branch handy to test whether the fix
also resolved this case).
