[Bug bootstrap/86162] New: [6 Regression] ppc64le bootstrap fails with GCC 8

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86162

            Bug ID: 86162
           Summary: [6 Regression] ppc64le bootstrap fails with GCC 8
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
  Target Milestone: ---

It's clone of:
https://bugzilla.suse.com/show_bug.cgi?id=1097283&GoAheadAndLogIn=1

[  171s] g++   -fmessage-length=0 -grecord-gcc-switches -O2 -D_FORTIFY_SOURCE=2
-funwind-tables -fasynchronous-unwind-tables -U_FORTIFY_SOURCE -DIN_GCC 
-DCROSS_DIRECTORY_STRUCTURE   -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings   -DHAVE_CONFIG_H
-DGENERATOR_FILE -fno-PIE -static-libstdc++ -static-libgcc  -no-pie -o
build/gentarget-def \
[  171s]     build/gentarget-def.o build/rtl.o build/read-rtl.o
build/ggc-none.o build/vec.o build/min-insn-modes.o build/gensupport.o
build/print-rtl.o build/hash-table.o build/read-md.o build/errors.o
../build-powerpc64le-suse-linux/libiberty/libiberty.a
[  171s] build/genmatch --gimple ../../gcc/match.pd \
[  171s]     > tmp-gimple-match.c
[  171s] ../../gcc/match.pd:120:1 error: expected (, got NAME
[  171s]    negative value by 0 gives -0, not +0.  */

We are missing lex.c hunk from r256656.