[Bug lto/81004] [7/8 Regression] linking failed with -flto and static libboost_program_options

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81004

--- Comment #19 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Weird, for me I see the problem reproducing with
$ ~/8-install/bin/g++ --version
g++ (GCC) 8.0.1 20180124 (experimental)
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

but not with
$ ~/8-install-slow/bin/g++ --version
g++ (GCC) 8.0.1 20180205 (experimental)
Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

so it seems the problem went away in those few days but I do not recall
anything related being commit.  Martin, would it be possible to bisect this?
(hope it is not --enable-checking=release used to build first compiler)