[Bug fortran/56867] Missing temporary with string array assignment

[tkoenig at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56867

--- Comment #8 from Thomas Koenig <tkoenig at gcc dot gnu.org> ---
For the creation of a temporary after the fix where it is not really necessary,
see PR 64426 .