[Bug tree-optimization/101267] [12 Regression] ICE in vect_is_simple_use when building 521.wrf_r with -Ofast -march=znver2

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101267

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
   SUBROUTINE sfddagd( regime, znt,ite ,jte )
   REAL, DIMENSION( ime, IN) :: regime, znt
   REAL, DIMENSION( ite, jte) :: wndcor_u 
   LOGICAL wrf_dm_on_monitor
   IF( int4 == 1 ) THEN
     DO j=jts,jtf
      DO i=itsu,itf
       reg =   regime(i,  j) 
       IF( reg > 10.0 ) THEN
         znt0 = znt(i-1,  j) + znt(i,  j) 
         IF( znt0 <= 0.2) THEN
           wndcor_u(i,j) = 0.2
         ENDIF
       ENDIF
      ENDDO
     ENDDO
     IF ( wrf_dm_on_monitor()) THEN
     ENDIF
   ENDIF
   END