[Bug target/80334] [7 Regression] Segfault when taking address of copy of unaligned struct

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80334

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Apr  6 13:56:35 2017
New Revision: 246731

URL: https://gcc.gnu.org/viewcvs?rev=246731&root=gcc&view=rev
Log:
2017-04-06  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/80334
        * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
        preserve alignment of accesses.

        * g++.dg/torture/pr80334.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr80334.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-ivopts.c