[Bug fortran/78054] gfortran.dg/pr70673.f90 FAILs at -O0

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78054

--- Comment #9 from anlauf at gcc dot gnu.org ---
(In reply to Thomas Koenig from comment #8)
> Fixed on trunk by 
> 
> https://gcc.gnu.org/pipermail/gcc-cvs/2022-April/362724.html .

Thomas,

you'd better re-read Steve's analysis.

Your patch left the first

    a = a           ! This used to ICE.

which is invalid at runtime.  Try yourself running under valgrind.

Either remove this line too, or protect it with an if (allocated (a))