[Patch, Fortran] PR 35983 C_LOC expanded to a NULL_PTR expr if called from a structure constructor

[Tobias Burnus]

Mikael,

first question: Have you checked whether now backing out
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35150#c8
is possible?

Otherwise the patch looks good.

> Regression-tested on x86_64-unknown-linux-gnu.
> Ok for 4.4 (and 4.3?) ?

OK for 4.4; for 4.3 I would wait at least a week.

Tobias