port-cobalt/55353: ninja-build-1.10.0nb1 g++: internal compiler error: Killed (program cc1plus received signal 9)

[petrvz%gmx.net@localhost]

>Number:         55353
>Category:       port-cobalt
>Synopsis:       ninja-build-1.10.0nb1 g++: internal compiler error: Killed (program cc1plus received signal 9)
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-cobalt-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jun 06 20:55:00 +0000 2020
>Originator:     Peter
>Release:        9.0
>Organization:
>Environment:
NetBSD  9.0 NetBSD 9.0 (GENERIC) #0: Mon Feb 24 03:01:07 JST 2020  tsutsui@mirage:/s/netbsd-9/src/sys/arch/cobalt/compile/obj.cobalt/GENERIC cobalt

>Description:
bootstrapping ninja...
wrote build.ninja.
bootstrap complete.  rebuilding...
[5/31] CXX build/build.o
FAILED: build/build.o 
c++ -MMD -MT build/build.o -MF build/build.o.d -g -Wall -Wextra -Wno-deprecated -Wno-missing-field-initializers -Wno-unused-parameter -fno-rtti -fno-exceptions -fvisibility=hidden -pipe '-DNINJA_PYTHON="python3.7"' -O2 -DNDEBUG -fdiagnostics-color -I/usr/local/include -DNINJA_HAVE_BROWSE -I. -O2 -DNINJA_SHELL=/bin/sh -D_FORTIFY_SOURCE=2 -I/usr/include -I/usr/pkg/include/python3.7 -O2 -DNINJA_SHELL=/bin/sh -D_FORTIFY_SOURCE=2 -I/usr/include -I/usr/pkg/include/python3.7 -c src/build.cc -o build/build.o
{standard input}: Assembler messages:
{standard input}: Warning: missing .end at end of assembly
{standard input}: Error: open CFI at the end of file; missing .cfi_endproc directive
g++: internal compiler error: Killed (program cc1plus received signal 9)
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://www.NetBSD.org/support/send-pr.html> for instructions.
[6/31] CXX build/build_log.o
ninja: build stopped: subcommand failed.
Traceback (most recent call last):
  File "./configure.py", line 709, in <module>
    subprocess.check_call(rebuild_args)
  File "/usr/pkg/lib/python3.7/subprocess.py", line 363, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['./ninja']' returned non-zero exit status 1.
*** Error code 1

Stop.
make[4]: stopped in /usr/pkgsrc/devel/ninja-build
*** Error code 1

Stop.
make[3]: stopped in /usr/pkgsrc/devel/ninja-build
*** Error code 1

>How-To-Repeat:
Trying to compile mc from source on Cobalt NetBSD 9.0
>Fix: