[Bug lto/81440] -Wlto-type-mismatch warning with flexible array in struct

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81440

--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Tue Jan 23 15:46:02 2018
New Revision: 256989

URL: https://gcc.gnu.org/viewcvs?rev=256989&root=gcc&view=rev
Log:
Handle trailing arrays in ODR warning (PR lto/81440).

2018-01-23  Martin Liska  <mliska@suse.cz>

        PR lto/81440
        * lto-symtab.c (lto_symtab_merge): Handle and do not warn about
        trailing arrays at the end of a struct.
2018-01-23  Martin Liska  <mliska@suse.cz>

        PR lto/81440
        * gcc.dg/lto/pr81440.h: New test.
        * gcc.dg/lto/pr81440_0.c: New test.
        * gcc.dg/lto/pr81440_1.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/lto/pr81440.h
    trunk/gcc/testsuite/gcc.dg/lto/pr81440_0.c
    trunk/gcc/testsuite/gcc.dg/lto/pr81440_1.c
Modified:
    trunk/gcc/lto/ChangeLog
    trunk/gcc/lto/lto-symtab.c
    trunk/gcc/testsuite/ChangeLog