Gcc [trunk revision 194556] failed to profiledbootstrap on x86_64!

[H.J. Lu Intel64 LTO/FDO]

cd bld; \
 RUNTESTFLAGS="--target_board='unix{-m32,}'" ../src-trunk/configure \
	 --prefix=/usr/4.8.0 --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.194556.trunk.x86_64 >> makelog.194556.trunk.x86_64.mail; \
make[7]: *** [/tmp/ccSDlp4r.ltrans7.ltrans.o] Error 1
make[6]: *** [cc1] Error 1
make[7]: *** [/tmp/ccdWKDdh.ltrans13.ltrans.o] Error 1
make[6]: *** [jc1] Error 1
make[7]: *** [/tmp/cckDYhb8.ltrans18.ltrans.o] Error 1
make[6]: *** [f951] Error 1
make[7]: *** [/tmp/ccv5w52I.ltrans22.ltrans.o] Error 1
make[6]: *** [cc1plus] Error 1
make[5]: *** [all-stagefeedback-gcc] Error 2
make[4]: *** [stagefeedback-bubble] Error 2
make[3]: *** [profiledbootstrap] Error 2
make[2]: *** [profiledbootstrap] Error 2
  cp -p tmp-limits.h ${fix_dir}/limits.h; \
  chmod a+r ${fix_dir}/limits.h; \
done
rm -f include-fixed/README
cp ../../src-trunk/gcc/../fixincludes/README-fixinc include-fixed/README
chmod a+r include-fixed/README
echo timestamp > stmp-int-hdrs
In file included from ../../src-trunk/gcc/final.c:7275:0,
                 from :7353:
../../src-trunk/gcc/c-family/c-lex.c: In function 'lex_charconst':
../../src-trunk/gcc/c-family/c-lex.c:1151:30: error: 'chars_seen' may be used uninitialized in this function [-Werror=maybe-uninitialized]
   else if (!c_dialect_cxx () || chars_seen > 1)
                              ^
In file included from ../../src-trunk/gcc/final.c:7275:0,
                 from :7353:
../../src-trunk/gcc/c-family/c-lex.c:1137:16: note: 'chars_seen' was declared here
   unsigned int chars_seen;
                ^
lto1: all warnings being treated as errors
make[7]: *** [/tmp/ccSDlp4r.ltrans7.ltrans.o] Error 1
lto-wrapper: make returned 2 exit status
/usr/local/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[6]: *** [cc1] Error 1
make[6]: *** Waiting for unfinished jobs....
In file included from ../../src-trunk/gcc/godump.c:5718:0,
                 from :5606:
../../src-trunk/gcc/tree-ssa-ifcombine.c: In function 'same_phi_args_p':
../../src-trunk/gcc/cfganal.c:349:8: error: 'e' may be used uninitialized in this function [-Werror=maybe-uninitialized]
   edge e;
        ^
lto1: all warnings being treated as errors
make[7]: *** [/tmp/ccdWKDdh.ltrans13.ltrans.o] Error 1
lto-wrapper: make returned 2 exit status
/usr/local/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[6]: *** [jc1] Error 1
In file included from ../../src-trunk/gcc/sched-deps.c:2781:0,
                 from :6517:
../../src-trunk/gcc/tree-ssa-threadupdate.c: In function '_ZL39create_edge_and_update_destination_phisP16redirection_dataP15basic_block_def.isra.8':
../../src-trunk/gcc/cfganal.c:349:8: error: 'e' may be used uninitialized in this function [-Werror=maybe-uninitialized]
   edge e;
        ^
lto1: all warnings being treated as errors
make[7]: *** [/tmp/cckDYhb8.ltrans18.ltrans.o] Error 1
make[7]: *** Waiting for unfinished jobs....
lto-wrapper: make returned 2 exit status
/usr/local/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[6]: *** [f951] Error 1
In file included from :1025:0:
../../src-trunk/gcc/jump.c: In function 'rebuild_jump_labels_1':
../../src-trunk/gcc/jump.c:77:0: error: invalid comparison code in gimple cond
 rebuild_jump_labels_1 (rtx f, bool count_forced)
 ^
if (iftmp.18_251 <<< ??? >>> 0)

../../src-trunk/gcc/jump.c:77:0: internal compiler error: verify_gimple failed
0xb81d3b verify_gimple_in_cfg(function*)
	../../src-trunk/gcc/tree-cfg.c:4630
0xa0c3f3 execute_function_todo
	../../src-trunk/gcc/passes.c:1968
0xa129dd do_per_function
	../../src-trunk/gcc/passes.c:1703
0xa129dd execute_todo
	../../src-trunk/gcc/passes.c:2001
0xa12f4e execute_one_ipa_transform_pass
	../../src-trunk/gcc/passes.c:2187
0xa12f4e execute_all_ipa_transforms()
	../../src-trunk/gcc/passes.c:2213
0x616bc0 expand_function
	../../src-trunk/gcc/cgraphunit.c:1634
0x6189be expand_all_functions
	../../src-trunk/gcc/cgraphunit.c:1745
0x6189be compile()
	../../src-trunk/gcc/cgraphunit.c:2043
0x5389f8 lto_main()
	../../src-trunk/gcc/lto/lto.c:3390
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[7]: *** [/tmp/ccv5w52I.ltrans22.ltrans.o] Error 1
make[7]: *** Waiting for unfinished jobs....
lto-wrapper: make returned 2 exit status
/usr/local/bin/ld: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[6]: *** [cc1plus] Error 1
rm gcj-dbtool.pod jcf-dump.pod jv-convert.pod grmic.pod gcov.pod gcj.pod gc-analyze.pod gfdl.pod cpp.pod gij.pod gfortran.pod gcc.pod fsf-funding.pod
make[6]: Leaving directory `/export/gnu/import/git/gcc-test-profile/bld/gcc'
make[5]: *** [all-stagefeedback-gcc] Error 2
make[5]: Leaving directory `/export/gnu/import/git/gcc-test-profile/bld'
make[4]: *** [stagefeedback-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'
22222.64user 763.03system 1:13:55elapsed 518%CPU (0avgtext+0avgdata 627208maxresident)k
1500528inputs+37810752outputs (10472major+150921582minor)pagefaults 0swaps
make[2]: *** [profiledbootstrap] Error 2
make[2]: Leaving directory `/export/gnu/import/git/gcc-test-profile'