[Bug c/89985] [9 Regression] Stray notes from OPT_Waddress_of_packed_member with -w

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89985

--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Author: dmalcolm
Date: Fri Apr  5 15:15:37 2019
New Revision: 270169

URL: https://gcc.gnu.org/viewcvs?rev=270169&root=gcc&view=rev
Log:
Guard notes for -Waddress-of-packed-member on warning emission (PR c/89985)

gcc/c-family/ChangeLog:
        PR c/89985
        * c-warn.c (check_address_or_pointer_of_packed_member): Add
        auto_diagnostic_group.  Guard inform calls by result of
        warning_at call.

gcc/testsuite/ChangeLog:
        PR c/89985
        * c-c++-common/pr89985.c: New test.


Added:
    trunk/gcc/testsuite/c-c++-common/pr89985.c
Modified:
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-warn.c
    trunk/gcc/testsuite/ChangeLog