This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: RFA: New pass to delete unexecutable paths in the CFG
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 11/07/11 08:49, Richard Guenther wrote:
>
> OTOH I'm not sure we want to change a possible trap (And thus
> program abort) to a fallthru ...
I think this is the big question we need to answer; there's other
places were we rely upon ISO's standards to enable optimization. But
this one just feels a little different... Or maybe I'm shy after the
kernel security problem caused by relying on dereferenced pointer not
being null.
I could easily see not enabling the switch by default for a period of
time, or enabling the optimization by default along with some kind of
warning.
Jeff
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/
iQEcBAEBAgAGBQJOuCuJAAoJEBRtltQi2kC7Q3cIAJRZGTaPlhQp3Y7fyx4A3rTJ
xmO45FkfkVba3NVqqCy2Ei95ezORhqzt2X31pzUuNZmyAXagnlizcY2uBNrgcRIl
+AltdDn3V+B19oABLrnVoxKjlb0yqHOKxikZcktFZuBB6zJBYOveWbWir5pMt2se
0K7pCXc6oe3MJfaYrPnZSkYEf5pcJw0ZKXxrK46HakWv5/oBi+kw5fo9aiEW0bhu
FQWxnfiNEsp4w+ac4PY/oQmcquI2AjeMrHiSKuZquC+r34SCYHMlSR9cED9WSy+7
RIlHygJYFcF9YwYEEbn61yyHfKbrIg6StizpkFVvu/oa2uDtqVFpFFBV0znO3aY=
=iF0s
-----END PGP SIGNATURE-----