[Bug middle-end/67651] Optimizer assumes nothing can reside at address 0 despite -fno-delete-null-pointer-checks

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67651

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Sep 21 12:33:23 2015
New Revision: 227968

URL: https://gcc.gnu.org/viewcvs?rev=227968&root=gcc&view=rev
Log:
2015-09-21  Richard Biener  <rguenther@suse.de>

        PR middle-end/67651
        * rtlanal.c (nonzero_address_p): SYMBOL_REFs may have zero
        address with -fno-delete-null-pointer-checks.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/rtlanal.c