[Bug target/84363] New: [8 Regression] Assembler error in stage1/libgcc: Error: view number mismatch

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84363

            Bug ID: 84363
           Summary: [8 Regression] Assembler error in stage1/libgcc:
                    Error: view number mismatch
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org
  Target Milestone: ---

trunk 20180213 r257621 fails in stage1 with:

/<<PKGBUILDDIR>>/build/./gcc/xgcc -B/<<PKGBUILDDIR>>/build/./gcc/
-B/usr/lib/gcc-snapshot/s390x-linux-gnu/bin/
-B/usr/lib/gcc-snapshot/s390x-linux-gnu/lib/ -isystem
/usr/lib/gcc-snapshot/s390x-linux-gnu/include -isystem
/usr/lib/gcc-snapshot/s390x-linux-gnu/sys-include    -g -O2 -O2  -g -O2
-DIN_GCC    -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wno-format
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem
./include   -fPIC -mlong-double-128 -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector   -fPIC -mlong-double-128 -I. -I. -I../.././gcc
-I../../../src/libgcc -I../../../src/libgcc/. -I../../../src/libgcc/../gcc
-I../../../src/libgcc/../include -I../../../src/libgcc/../libdecnumber/dpd
-I../../../src/libgcc/../libdecnumber -DHAVE_CC_TLS  -o generic-morestack.o -MT
generic-morestack.o -MD -MP -MF generic-morestack.dep  -c
../../../src/libgcc/generic-morestack.c -fvisibility=hidden -DHIDE_EXPORTS
tmp/cc9jBghe.s: Assembler messages:
/tmp/cc9jBghe.s: Error: view number mismatch
make[5]: *** [../../../src/libgcc/shared-object.mk:14: generic-morestack.o]
Error 1
make[5]: *** Waiting for unfinished jobs....
make[5]: Leaving directory '/<<PKGBUILDDIR>>/build/s390x-linux-gnu/libgcc'
make[4]: *** [Makefile:17763: all-stage1-target-libgcc] Error 2
make[4]: Leaving directory '/<<PKGBUILDDIR>>/build'
make[3]: *** [Makefile:23649: stage1-bubble] Error 2
make[3]: Leaving directory '/<<PKGBUILDDIR>>/build'
make[2]: *** [Makefile:23970: bootstrap] Error 2
make[2]: Leaving directory '/<<PKGBUILDDIR>>/build'

Configured with: -v
         --enable-languages=c,ada,c++,go,fortran,objc,obj-c++
         --with-gcc-major-version-only
         --enable-shared
         --enable-linker-build-id
         --disable-nls
         --with-sysroot=/
         --enable-clocale=gnu
         --enable-libstdcxx-debug
         --enable-libstdcxx-time=yes
         --with-default-libstdcxx-abi=new
         --enable-gnu-unique-object
         --disable-libsanitizer
         --disable-libquadmath
         --enable-plugin
         --with-system-zlib
         --enable-objc-gc=auto
         --enable-multiarch
         --disable-werror
         --with-arch=zEC12
         --with-long-double-128
         --enable-multilib
         --enable-checking=yes
         --build=s390x-linux-gnu
         --host=s390x-linux-gnu
         --target=s390x-linux-gnu