[Bug bootstrap/81149] New: [8 Regression] profiledbootstrap failed with LTO

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81149

            Bug ID: 81149
           Summary: [8 Regression] profiledbootstrap failed with LTO
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: mliska at suse dot cz
  Target Milestone: ---

On Linux/x86-64, r249367 caused profiledbootstrap to fail with LTO:

lto1: internal compiler error: in inline_small_functions, at ipa-inline.c:1891
0x7dff38 inline_small_functions
        /export/project/git/gcc-regression/gcc/gcc/ipa-inline.c:1891
0x7dff38 ipa_inline
        /export/project/git/gcc-regression/gcc/gcc/ipa-inline.c:2429
0x7dff38 execute
        /export/project/git/gcc-regression/gcc/gcc/ipa-inline.c:2835
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with preprocessed source if appropriate.
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lto-wrapper: fatal error:
/export/project/git/gcc-regression-bootstrap/master/249367/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
/export/project/git/gcc-regression/gcc/gcc/fortran/Make-lang.in:97: recipe for
target 'f951' failed
make[3]: *** [f951] Error 1

when configured with

 --prefix=/export/project/git/gcc-regression-bootstrap/master/249367/usr
--enable-clocale=gnu --with-system-zlib --with-demangler-in-ld
--enable-languages=c,c++,fortran --enable-bootstrap --with-fpmath=sse
--with-build-config=bootstrap-lto --disable-werror --disable-multilib
--disable-libcc1 --disable-libcilkrts --disable-libsanitizer