[Bug fortran/57697] Segfault with defined assignment for components during intrinsic assignment

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57697

--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> ---
(In reply to Dominique d'Humieres from comment #2)
> Should not this go to PR57696?

No. The examples are similar, but they expose rather different bugs.

PR57696 has already a test case and the problem there is that no defined
assignment is done for an allocatable component. -> Wrong code as the defined
assignment is not invoked.

This PR (and attachment 30353) is about an unallocated allocatable LHS, where
for a component defined assignment is used. -> Wrong code as it segfaults at
run time.