compiler bug

[ml at ft-c.de]

Hello,

ghc compilling stops:
here is the message:

root at ftc2:/usr/ports/lang/ghc > make MAKE_JOBS_UNSAFE=yes install clean

...
HC [stage 0] compiler/stage1/build/CoreSubst.o
HC [stage 0] compiler/stage1/build/CoreArity.o
HC [stage 0] compiler/stage1/build/OptCoercion.o
gmake[3]: *** [compiler/ghc.mk:446: compiler/stage1/build/OptCoercion.o]
Killed
gmake[2]: *** [Makefile:125: all] Error 2
gmake[2]: Leaving directory '/usr/ports/lang/ghc/work/ghc-8.4.3'
*** Error code 1

Stop.
make[1]: stopped in /usr/ports/lang/ghc
*** Error code 1

Stop.
make: stopped in /usr/ports/lang/ghc
-- -----

uname -a
FreeBSD ftc2 11.2-RELEASE-p1 FreeBSD 11.2-RELEASE-p1 #0: Sun Aug  5
12:04:13 UTC 2018
root at amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64

do you need more information?

what should I do?

Franz