[Bug c/48778] gcc 4.6 -Waddress adds unhelpful new warning case when using from a macro

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48778

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Wed May  4 13:46:15 2016
New Revision: 235878

URL: https://gcc.gnu.org/viewcvs?rev=235878&root=gcc&view=rev
Log:
        PR c/48778
        * c-typeck.c (build_binary_op): Don't issue -Waddress warnings
        for macro expansions.

        * gcc.dg/Waddress-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/Waddress-2.c
Modified:
    trunk/gcc/c/ChangeLog
    trunk/gcc/c/c-typeck.c
    trunk/gcc/testsuite/ChangeLog