[Bug fortran/87937] [8/9 Regression] LHS reallocation broken inside "select type" and "associate"

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87937

--- Comment #9 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> OK, sounds like it might be an unrelated issue to the one I'm seeing. The
> following variant of that test crashes for me as well, even though there aren't
> any allocatable character strings in it. There's still no allocation code
> generated.

I got a segfault with this test since at least 4.8.5 up to trunk (9.0).