[Bug sanitizer/81223] [8 Regression] ICE in instrument_null at gcc/ubsan.c:1230

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81223

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Tue Jun 27 11:38:31 2017
New Revision: 249687

URL: https://gcc.gnu.org/viewcvs?rev=249687&root=gcc&view=rev
Log:
        PR sanitizer/81223
        * ubsan.c (instrument_null): Check get_base_address's result for null.

        * gcc.dg/ubsan/pr81223.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/ubsan/pr81223.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/ubsan.c