[Bug target/72827] New: [7 Regression] gnat bootstrap broken on powerpc64le-linux-gnu

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72827

            Bug ID: 72827
           Summary: [7 Regression] gnat bootstrap broken on
                    powerpc64le-linux-gnu
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at gcc dot gnu.org
  Target Milestone: ---

seen with trunk 20160804 and 20160807:

make[5]: Entering directory
'/home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools'
../../gnatmake -j0 -c -b -I- -I../rts -I.
-I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada \
  --GNATBIND="../../gnatbind" --GCC="../../xgcc -B../../ -g -O2 -W -Wall 
-gnatpg -gnata" \
  gnatchop gnatcmd gnatkr gnatls gnatprep gnatxref gnatfind gnatname \
  gnatclean -bargs -I- -I../rts -I.
-I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada -static -x
../../gnatbind -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada
-I- -I../rts -I. -I/home/doko/gcc/gcc-
snapshot-20160804/src/gcc/ada -static -x -x
/home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools/gnatchop.ali
../../gnatbind -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada
-I- -I../rts -I. -I/home/doko/gcc/gcc-
snapshot-20160804/src/gcc/ada -static -x -x
/home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools/gnatcmd.ali
../../gnatbind -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada
-I- -I../rts -I. -I/home/doko/gcc/gcc-
snapshot-20160804/src/gcc/ada -static -x -x
/home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools/gnatkr.ali
../../gnatbind -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada
-I- -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada -static -x
-x /home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools/gnatls.ali
../../gnatbind -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada
-I- -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada -static -x
-x /home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools/gnatprep.ali
../../gnatbind -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada
-I- -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada -static -x
-x /home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools/gnatxref.ali
../../gnatbind -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada
-I- -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada -static -x
-x /home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools/gnatfind.ali
../../gnatbind -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada
-I- -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada -static -x
-x /home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools/gnatname.ali
../../gnatbind -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada
-I- -I../rts -I. -I/home/doko/gcc/gcc-snapshot-20160804/src/gcc/ada -static -x
-x /home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools/gnatclean.ali

raised STORAGE_ERROR : stack overflow or erroneous memory access
../gcc-interface/Makefile:2652: recipe for target 'common-tools' failed
make[5]: *** [common-tools] Error 1
make[5]: Leaving directory
'/home/doko/gcc/gcc-snapshot-20160804/build/gcc/ada/tools'
Makefile:194: recipe for target 'gnattools-native' failed
make[4]: *** [gnattools-native] Error 2

configured with

         --enable-languages=c,ada,c++,java,go,fortran,objc,obj-c++
         --prefix=/usr/lib/gcc-snapshot
         --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-libquadmath
         --enable-plugin
         --enable-default-pie
         --with-system-zlib
         --enable-objc-gc
         --enable-secureplt
         --with-cpu=power8
         --enable-targets=powerpcle-linux
         --disable-multilib
         --enable-multiarch
         --disable-werror
         --with-long-double-128
         --enable-checking=yes
         --build=powerpc64le-linux-gnu
         --host=powerpc64le-linux-gnu
         --target=powerpc64le-linux-gnu