[PATCH] Fix PR optimization/13318

[Gabriel Dos Reis]

Roger Sayle <roger@eyesopen.com> writes:

| On Sat, 6 Dec 2003, Eric Botcazou wrote:
| > 2003-12-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
| >
| >         PR optimization/13318
| >         * loop.c (express_from): Protect integer division from overflow.
| >
| > 2003-12-06  Wolfgang Bangerth <bangerth@dealii.org>
| >
| > 	* gcc.dg/overflow-1.c: New test.
| >
| 
| This is Ok for mainline.
| 
| I'm not sure if the 3.3 branch is strict "regression-only" at the
| moment, but given that this patch resolves a PR, is obviously correct
| and looks very safe, Gabriel may also be prepared to approve this patch
| for the release branch after the appropriate testing.

  3_3-branch is strict regression-only after December 31; so
non-regression bug fixes are accepted at the moment.  If bootstrap and
regression-tests go well, the patch is OK for branch.

Thanks.

-- Gaby