[Bug debug/118790] [15 Regression] ICE when building fiat (crash in loc_list_from_tree_1)

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118790

Sam James <sjames at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sjames at gcc dot gnu.org

--- Comment #3 from Sam James <sjames at gcc dot gnu.org> ---
Created attachment 60418
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60418&action=edit
gcc-118790.tar.xz

Here's a reproducer. I won't reduce it though.

```
$ gfortran -c ec_args_mod.F90.fii
$ gfortran -c ec_parkind.F90.fii
$ gfortran -c mpl_mpif.F90.fii
$ gfortran -O2 -flto=jobserver -shared -fallow-argument-mismatch -g -fopenmp
ec_meminfo.F90.fii ec_args_mod.F90.fii ec_parkind.F90.fii mpl_mpif.F90.fii
[...]
/tmp/fiat/src/fiat/util/ec_meminfo.F90:485:23: internal compiler error:
Segmentation fault
[...]
```