[Bug fortran/80960] New: [regression since 4.9.2] gfortran crashes when compiling f90 file with msg "Out of memory: Kill process 538 (f951)"

[nick_kuz at deom dot chph.ras.ru]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80960

            Bug ID: 80960
           Summary: [regression since 4.9.2] gfortran crashes when
                    compiling f90 file with msg "Out of memory: Kill
                    process 538 (f951)"
           Product: gcc
           Version: 6.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: nick_kuz at deom dot chph.ras.ru
  Target Milestone: ---

Created attachment 41459
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41459&action=edit
f90 source code for reproducing bug

When compiling large f90 (see attach), compiler crashes with following message:
"Out of memory: Kill process 538 (f951) score 962 or sacrifice child"
REGRESSION: Older gfortran 4.9 at Debian Jessie 8 compiles this file without
problem.

reproduce bug condition: use attached f90 file and run options:
gfortran -g0 -O2 -fdefault-integer-8 -c  'fe_objective.f90'

SYSTEM details:
gfortran: gcc version 6.3.0 20170516 (Debian 6.3.0-18)

Linux System: Debian Stretch 9, latest updates 2017-06-02
======== uname -a:
Linux deb9virt 4.9.0-3-amd64 #1 SMP Debian 4.9.25-1 (2017-05-02) x86_64
GNU/Linux

HW:
guest linux box in virtualbox 4.3 
host system: intel i5-4xxx, debian 8 Jessie