[Bug tree-optimization/70526] [5 Regression] GCC 6 miscompiles Firefox JIT compiler

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70526

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Apr  5 14:26:59 2016
New Revision: 234749

URL: https://gcc.gnu.org/viewcvs?rev=234749&root=gcc&view=rev
Log:
2016-04-05  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/70526
        * tree-sra.c (build_ref_for_offset): Use prev_base to
        extract the alias pointer type.

        * g++.dg/torture/pr70526.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr70526.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-sra.c