Dear Tobias, The following patch prevents the warning to generate a FAIL:
--- /opt/gcc/_clean/gcc/testsuite/gfortran.dg/class_48.f90 2012-02-05
22:03:27.000000000 +0100
+++ /opt/gcc/work/gcc/testsuite/gfortran.dg/class_48.f90 2013-07-01
19:44:06.000000000 +0200
@@ -158,4 +158,6 @@ call test2 ()
call test3 ()
call test4 ()
end
+! TODO remove the kludge below after the spurious warning has been fixed.
+! { dg-prune-output ".*invokes undefined behavior.*" }
Cheers,
Dominique
