[Bug tree-optimization/82363] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82363

--- Comment #5 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Author: jamborm
Date: Tue Oct  3 11:43:45 2017
New Revision: 253380

URL: https://gcc.gnu.org/viewcvs?rev=253380&root=gcc&view=rev
Log:
[PR 82363] Fix thinko in SRA subaccess propagation

2017-10-03  Martin Jambor  <mjam...@suse.cz>

        PR tree-optimization/82363
        * tree-sra.c (propagate_subaccesses_across_link): In unrecoverable
        mismatch, mark lacc written regardless of racc.

        testsuite/
        * gcc.dg/tree-ssa/pr82363.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr82363.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-sra.c