Re: pgsql: Suppress some "variable might be clobbered by longjmp" warnings.

Tom Lane wrote:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
> > Tom Lane wrote:
> >> Suppress some "variable might be clobbered by longjmp" warnings.
> >>
> >> Seen with an older gcc version. I'm not sure these represent any real
> >> risk factor, but still a bit scary. Anyway we have lots of other
> >> volatile-marked variables in this code, so a couple more won't hurt.
>
> > I assume you saw my comment in basebackup.c:
>
> > * Some old compilers, e.g. gcc 2.95.3/x86, think that passing
> > * a struct in the same function as a longjump might clobber
> > * a variable. bjm 2011-02-04
> > * http://lists.apple.com/archives/xcode-users/2003/Dec//msg00051.html
>
> Curious that you're getting different warnings with that than I get
> with HPPA 2.95.3.

Yes. I just found the description at the URL interesting, stating the
gcc just gets confused.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +