[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 #3 from Martin Jambor <jamborm at gcc dot gnu.org> ---
I'm testing the following fix:

diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index f5675edc7f1..bac593951e7 100644
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -2691,7 +2691,7 @@ propagate_subaccesses_across_link (struct access *lacc,
struct access *racc)
            }
          else
            {
-             if (rchild->grp_write && !lacc->grp_write)
+             if (!lacc->grp_write)
                {
                  ret = true;
                  subtree_mark_written_and_enqueue (lacc);