[Bug c/86453] [8 Regression] error: type variant differs by TYPE_PACKED in free_lang_data since r255469

["msebor at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86453

--- Comment #13 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Thu Jul 12 16:21:06 2018
New Revision: 262596

URL: https://gcc.gnu.org/viewcvs?rev=262596&root=gcc&view=rev
Log:
PR c/86453 - error: type variant differs by TYPE_PACKED in free_lang_data since
r255469

gcc/ChangeLog:

        PR c/86453
        * attribs.c (decl_attributes): Reject conflicting attributes before
        calling attribute handlers.

gcc/testsuite/ChangeLog:

        PR c/86453
        * c-c++-common/Wattributes.c: Adjust.
        * gcc.dg/Wattributes-10.c: New test.
        * g++.dg/Wattributes-3.C: Adjust.
        * gcc.dg/Wattributes-6.c: Adjust.
        * gcc.dg/pr18079.c: Adjust.
        * gcc.dg/torture/pr42363.c: Adjust.


Added:
    trunk/gcc/testsuite/gcc.dg/Wattributes-10.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/attribs.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/c-c++-common/Wattributes.c
    trunk/gcc/testsuite/g++.dg/Wattributes-3.C
    trunk/gcc/testsuite/gcc.dg/Wattributes-6.c
    trunk/gcc/testsuite/gcc.dg/pr18079.c
    trunk/gcc/testsuite/gcc.dg/torture/pr42363.c