[Bug bootstrap/68992] New: [6 Regression] bootstrap error on s390x-linux-gnu with r231848

["doko at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68992

            Bug ID: 68992
           Summary: [6 Regression] bootstrap error on s390x-linux-gnu with
                    r231848
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org
  Target Milestone: ---

build/genpreds ../../src/gcc/common.md ../../src/gcc/config/s390/s390.md >
tmp-preds.c
/bin/bash: line 1:  5355 Segmentation fault      build/genpreds
../../src/gcc/common.md ../../src/gcc/config/s390/s390.md > tmp-preds.c
Makefile:2274: recipe for target 's-preds' failed
make[5]: *** [s-preds] Error 139
make[5]: *** Waiting for unfinished jobs....
make[5]: Leaving directory '/<<PKGBUILDDIR>>/build/gcc'
Makefile:4492: recipe for target 'all-stage2-gcc' failed
make[4]: *** [all-stage2-gcc] Error 2
make[4]: Leaving directory '/<<PKGBUILDDIR>>/build'
Makefile:23142: recipe for target 'stage2-bubble' failed
make[3]: *** [stage2-bubble] Error 2
make[3]: Leaving directory '/<<PKGBUILDDIR>>/build'
Makefile:23345: recipe for target 'bootstrap' failed
make[2]: *** [bootstrap] Error 2