Gcc [trunk revision 193414] failed to profiledbootstrap on x86_64!

[intel64profiled at gnu-16 dot sc dot intel dot com (H.J. Lu (Intel64 LTO/FDO))]

cd bld; \
 RUNTESTFLAGS="--target_board='unix{-m32,}'" ../src-trunk/configure \
	 --prefix=/usr/local --enable-clocale=gnu --with-system-zlib --enable-shared --with-demangler-in-ld --with-build-config=bootstrap-lto --with-fpmath=sse --enable-languages=c,c++,fortran,java,lto,objc
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking target system type... x86_64-unknown-linux-gnu
checking for a BSD-compatible install... /bin/install -c
    grep "Error " makelog.193414.trunk.x86_64 >> makelog.193414.trunk.x86_64.mail; \
make[7]: *** [dwarf.lo] Error 1
make[6]: *** [all] Error 2
make[5]: *** [all-stageprofile-libbacktrace] Error 2
make[4]: *** [stageprofile-bubble] Error 2
make[3]: *** [profiledbootstrap] Error 2
make[2]: *** [profiledbootstrap] Error 2
yes
checking for vasprintf... libtool: compile:  /export/gnu/import/git/gcc-test-profile/bld/./prev-gcc/xgcc -B/export/gnu/import/git/gcc-test-profile/bld/./prev-gcc/ -B/usr/local/x86_64-unknown-linux-gnu/bin/ -B/usr/local/x86_64-unknown-linux-gnu/bin/ -B/usr/local/x86_64-unknown-linux-gnu/lib/ -isystem /usr/local/x86_64-unknown-linux-gnu/include -isystem /usr/local/x86_64-unknown-linux-gnu/sys-include -DHAVE_CONFIG_H -I. -I../../src-trunk/libbacktrace -I ../../src-trunk/libbacktrace/../include -I ../../src-trunk/libbacktrace/../libgcc -I ../libgcc -I ../gcc/include -I ../../gcc/include -funwind-tables -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wmissing-format-attribute -Wcast-qual -Werror -g -O2 -flto=jobserver -frandom-seed=1 -fprofile-generate -fno-lto -c ../../src-trunk/libbacktrace/elf.c -o elf.o >/dev/null 2>&1
yes
checking for vfprintf... yes
checking for vprintf... ../../src-trunk/libbacktrace/dwarf.c: In function 'read_function_entry':
../../src-trunk/libbacktrace/dwarf.c:2329:22: error: 'val.u.string' may be used uninitialized in this function [-Werror=maybe-uninitialized]
       function->name = val.u.string;
                      ^
yes
checking for vsnprintf... yes
checking for vsprintf... yes
checking for waitpid... yes
checking for setproctitle... ../../src-trunk/libbacktrace/dwarf.c: In function 'build_address_map':
../../src-trunk/libbacktrace/dwarf.c:1387:13: error: 'val.u.string' may be used uninitialized in this function [-Werror=maybe-uninitialized]
     lineoff = val.u.uint;
             ^
no
checking whether alloca needs Cray hooks... no
checking stack direction for C alloca... -1
checking for vfork.h... no
checking for fork... yes
checking for vfork... yes
checking for working fork... cc1: all warnings being treated as errors
make[7]: *** [dwarf.lo] Error 1
make[7]: *** Waiting for unfinished jobs....
yes
checking for working vfork... (cached) yes
checking for _doprnt... no
checking for sys_errlist... yes
checking for sys_nerr... yes
checking for sys_siglist... yes
checking for external symbol _system_configuration... no
checking for __fsetlocking... yes
checking for canonicalize_file_name... make[7]: Leaving directory `/export/gnu/import/git/gcc-test-profile/bld/libbacktrace'
make[6]: *** [all] Error 2
make[6]: Leaving directory `/export/gnu/import/git/gcc-test-profile/bld/libbacktrace'
make[5]: *** [all-stageprofile-libbacktrace] Error 2
make[5]: *** Waiting for unfinished jobs....
yes
checking for dup3... yes
checking for getrlimit... yes
checking for getrusage... yes
checking for getsysinfo... no
checking for gettimeofday... (cached) yes
checking for on_exit... yes
checking for psignal... yes
checking for pstat_getdynamic... no
checking for pstat_getstatic... no
checking for realpath... yes
checking for setrlimit... yes
checking for sbrk... yes
checking for spawnve... no
checking for spawnvpe... no
checking for strerror... yes
checking for strsignal... yes
checking for sysconf... yes
checking for sysctl... yes
checking for sysmp... no
checking for table... no
checking for times... yes
checking for wait3... yes
checking for wait4... yes
checking whether basename is declared... no
checking whether ffs is declared... yes
checking whether asprintf is declared... no
checking whether vasprintf is declared... no
checking whether snprintf is declared... yes
checking whether vsnprintf is declared... yes
checking whether calloc is declared... yes
checking whether getenv is declared... yes
checking whether getopt is declared... yes
checking whether malloc is declared... yes
checking whether realloc is declared... yes
checking whether sbrk is declared... yes
checking whether strverscmp is declared... no
checking whether canonicalize_file_name must be declared... yes
checking for stdlib.h... (cached) yes
checking for unistd.h... (cached) yes
checking for getpagesize... (cached) yes
checking for working mmap... yes
checking for working strncmp... yes
configure: updating cache ./config.cache
configure: creating ./config.status
config.status: creating Makefile
config.status: creating testsuite/Makefile
config.status: creating config.h
config.status: executing default commands
rm -f libdecnumber.a
ar cru libdecnumber.a decNumber.o decContext.o decimal32.o decimal64.o decimal128.o bid2dpd_dpd2bid.o host-ieee32.o host-ieee64.o host-ieee128.o
ranlib libdecnumber.a
make[6]: Leaving directory `/export/gnu/import/git/gcc-test-profile/bld/libdecnumber'
make[5]: Leaving directory `/export/gnu/import/git/gcc-test-profile/bld'
make[4]: *** [stageprofile-bubble] Error 2
make[4]: Leaving directory `/export/gnu/import/git/gcc-test-profile/bld'
make[3]: *** [profiledbootstrap] Error 2
make[3]: Leaving directory `/export/gnu/import/git/gcc-test-profile/bld'
1431.28user 146.70system 7:27.96elapsed 352%CPU (0avgtext+0avgdata 416384maxresident)k
0inputs+3615456outputs (0major+44162325minor)pagefaults 0swaps
make[2]: *** [profiledbootstrap] Error 2
make[2]: Leaving directory `/export/gnu/import/git/gcc-test-profile'