[Bug bootstrap/85322] New: [8 Regression] profiledbootstrap failured

["hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85322

            Bug ID: 85322
           Summary: [8 Regression] profiledbootstrap failured
           Product: gcc
           Version: 8.0.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---

On x86-64, r259265 failed to profiledbootstrap:

lto1: internal compiler error: Segmentation fault
0xe8226b crash_signal
        ../../src-trunk/gcc/toplev.c:325
0x7eccdc tree_check(tree_node*, char const*, int, char const*, tree_code)
        ../../src-trunk/gcc/tree.h:3134
0x81ab27 lto_symtab_merge_p
        ../../src-trunk/gcc/lto/lto-symtab.c:610
0x81ad47 lto_symtab_merge_decls_2
        ../../src-trunk/gcc/lto/lto-symtab.c:664
0x81b8e8 lto_symtab_merge_decls_1
        ../../src-trunk/gcc/lto/lto-symtab.c:867
0x81b9b0 lto_symtab_merge_decls()
        ../../src-trunk/gcc/lto/lto-symtab.c:890
0x7ff519 read_cgraph_and_symbols
        ../../src-trunk/gcc/lto/lto.c:2935
0x80020e lto_main()
        ../../src-trunk/gcc/lto/lto.c:3356
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
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lto-wrapper: fatal error:
/export/gnu/import/git/gcc-test-profiled/bld/./prev-gcc/xg++ returned 1 exit
status
compilation terminated.
/usr/local/bin/ld: error: lto-wrapper failed
collect2: error: ld returned 1 exit status
make[6]: *** [Makefile:2869: build/genhooks] Error 1
make[6]: *** Waiting for unfinished jobs....
../../src-trunk/gcc/fortran/gfortran.texi:2701: warning: @ref node name should
not contain `:'
rm fsf-funding.pod gcov.pod gpl.pod cpp.pod gfdl.pod gfortran.pod gcc.pod
gcov-dump.pod gcov-tool.pod
make[6]: Leaving directory '/export/gnu/import/git/gcc-test-profiled/bld/gcc'
make[5]: *** [Makefile:4779: all-stageprofile-gcc] Error 2
make[5]: Leaving directory '/export/gnu/import/git/gcc-test-profiled/bld'
make[4]: *** [Makefile:24115: stageprofile-bubble] Error 2
make[4]: Leaving directory '/export/gnu/import/git/gcc-test-profiled/bld'
make[3]: *** [Makefile:24369: profiledbootstrap] Error 2

when configured with

 --with-build-config=bootstrap-lto --disable-werror