[Bug c/80919] [7 Regression] ICE: Segmentation fault with -Wall when printing address of size 0 array

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80919

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Wed Jun  7 11:29:34 2017
New Revision: 248963

URL: https://gcc.gnu.org/viewcvs?rev=248963&root=gcc&view=rev
Log:
        PR c/80919
        * c-format.c (matching_type_p): Return false if any of the types
        requires structural equality.

        * gcc.dg/format/pr80919.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.dg/format/pr80919.c
Modified:
    branches/gcc-7-branch/gcc/c-family/ChangeLog
    branches/gcc-7-branch/gcc/c-family/c-format.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog