[Bug lto/89358] [7/8/9 Regression] Combining -std=c++14 and -std=c++17 objects gives ODR warnings

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89358

--- Comment #16 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Sun Apr 14 20:56:45 2019
New Revision: 270355

URL: https://gcc.gnu.org/viewcvs?rev=270355&root=gcc&view=rev
Log:

        PR lto/89358
        * g++.dg/lto/pr89358_0.C: New testcase.
        * g++.dg/lto/pr89358_1.C: New testcase.
        * ipa-devirt.c (skip_in_fields_list_p): New.
        (odr_types_equivalent_p): Use it.

Added:
    trunk/gcc/testsuite/g++.dg/lto/pr89358_0.C
    trunk/gcc/testsuite/g++.dg/lto/pr89358_1.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-devirt.c
    trunk/gcc/testsuite/ChangeLog