[Bug middle-end/57904] [4.9 Regression] Bogus(?) "invokes undefined behavior" warning with Fortran's finalization wrapper (gfortran.dg/class_48.f90)

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57904

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
          Component|fortran                     |middle-end

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
But not fixed by the fix for PR58143 and not present on the branch.

Re-confirmed.

Loop 1 iterates at most 2147483646 times.
Loop 3 iterates 4294967295 times.
Loop 3 iterates at most -1 times.

still needs investigation.