[Bug target/81910] [avr] ICE with "address" attribute on type

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81910

--- Comment #3 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
Author: gjl
Date: Tue Aug 22 07:57:40 2017
New Revision: 251258

URL: https://gcc.gnu.org/viewcvs?rev=251258&root=gcc&view=rev
Log:
        Backport from 2017-08-22 trunk r251256.
        PR target/81910
        * config/avr/avr.c (avr_handle_addr_attribute): Early return if
        not VAR_P. Filter attribute warnings with OPT_Wattributes.
        (avr_attribute_table) <io, io_low, address>: Initialize
        .decl_required with true.

Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/config/avr/avr.c