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

[marxin at gcc dot gnu.org]

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

--- Comment #28 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Mar  7 09:44:03 2018
New Revision: 258321

URL: https://gcc.gnu.org/viewcvs?rev=258321&root=gcc&view=rev
Log:
Backport r257412

2018-03-07  Martin Liska  <mli...@suse.cz>

        Backport from mainline
        2018-01-30  Jan Hubicka  <hubi...@ucw.cz>

        PR lto/81004
        * lto.c: Include builtins.h
        (register_resolution): Merge resolutions in case trees was
        merged across units.
        (lto_maybe_register_decl): Break out from ...
        (lto_read_decls): ... here.
        (unify_scc): Also register decls here.
        (read_cgraph_and_symbols): Sanity check that all resolutions was
        read.

Modified:
    branches/gcc-6-branch/gcc/lto/ChangeLog
    branches/gcc-6-branch/gcc/lto/lto.c