On Thu, Jan 01, 2009 at 03:11:52AM +0100, Jan Engelhardt wrote: > > On Thursday 2009-01-01 03:05, Andrew Pinski wrote: > >On Wed, Dec 31, 2008 at 9:02 PM, Jan Engelhardt <jeng...@medozas.de> wrote: > >> Hi, > >> > >> > >> I have here an (attached) testcase which unexpectedly turns off > >> warnings. Compiling it using `gcc test.c -c -Wall` (or test.i) gives: > >> > >> test.c: In function 'pam_sm_authenticate': > >> test.c:6: warning: implicit declaration of function 'undef' > > > >This works on the trunk but fails on the 4.3 branch. > > gcc 4.1 also produces the expected output (implicit declaration undef2), > so it seems like a recent regression.
Likely related to PR37902. Jakub