[Bug fortran/61910] undefined computation in trans-expr.c gfc_conv_cst_int_power

[zeccav at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61910

--- Comment #2 from Vittorio Zecca <zeccav at gmail dot com> ---
It appears not depending on i value, for i=1 or 2.

No explicit options used.
Of course I used options -fsanizitized=address -fsanitized=undefined
to generate gfortran.
I think it is either a gfortran or a sanitizer bug.