On Thu, Dec 21, 2006 at 09:43:26PM +0000, Manuel López-Ibáñez wrote:
> On 21/12/06, Janis Johnson <[EMAIL PROTECTED]> wrote:
> >On Wed, Dec 20, 2006 at 03:06:34PM +0100, Jan Eissfeld wrote:
> >> Hi,
> >>
> >> PR19978 reports that some overflow warnings are emitted multiple times.
> >Like for example,
> >>
> >> test.c:6: warning: integer overflow in expression
> >> test.c:6: warning: integer overflow in expression
> >> test.c:6: warning: integer overflow in expression
> >>
> >> The current testsuite will match any number of those to a single {
> >> dg-warning }. I don't know whether this is a known limitation, a bug
> >> on the testsuite or it just needs some magic.
> >>
> >> How could I test that exactly one warning was emitted?
> >
> >See http://gcc.gnu.org/ml/gcc/2006-12/msg00000.html for an ugly solution,
> >and the rest of the thread for problems with this approach. The check
> >for getting the warning must be in a separate test from the check for
> >multiple warnings.
> >
> >Janis
> >
>
> Or even better, see
> http://gcc.gnu.org/ml/gcc-patches/2006-12/msg00588.html which fixes
> that PR and adds testcases to prevent regressing on this.
>
> It is still awaiting for review, though. ;-)
I hadn't noticed that it's for the same PR!
Janis
