[Bug fortran/80960] [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

--- Comment #1 from Nikolay Kuzminykh <nick_kuz at deom dot chph.ras.ru> ---
compiling with options "-g0 -O0" is OK.
-O1 and -O2  options lead to problems.