[Bug fortran/122388] [13/14/15/16 Regression] Fortran shadow_loopvar seems to lead to miscompilation

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122388

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Also:

<source>:4:58:

    4 |   call test ((/ (i, i = u8, l4step8) /), u8,   0_8, step8)
      |                                                          ^
Warning: 'u8' is used uninitialized [-Wuninitialized]