Remove accidentially left if (0) block

The following removes a block I added (and disabled again) when
developing the PR121720 fix.

	* tree-ssa-pre.cc (compute_antic_aux): Remove dead code.

diff --git a/gcc/tree-ssa-pre.cc b/gcc/tree-ssa-pre.cc
index 18b36259cb485f5c5cd81b9e65521bf070a8d761..64ffaca21aba1b869d4c079c4766a4bd860086fb 100644 (file)
--- a/gcc/tree-ssa-pre.cc
+++ b/gcc/tree-ssa-pre.cc
@@ -2121,20 +2121,6 @@ compute_antic_aux (basic_block block, bool block_has_abnormal_pred_edge)
            first = e;
          else if (BB_VISITED (e->dest))
            worklist.quick_push (e);
-         else if (0 && !(e->flags & EDGE_DFS_BACK))
-           {
-             /* When our reverse iteration order does not match up with
-                a forward DFS which can in happen with unfortunate
-                choices of fake edges to exits from infinite loops, we
-                have to avoid intermangling two ANTIC iterations by
-                using ANTIC_IN computed in the previous iteration.
-                As we cannot easily do this stabilize the iteration by
-                not allowing a MAX set on such edge initially.  */
-             if (dump_file && (dump_flags & TDF_DETAILS))
-               fprintf (dump_file, "ANTIC_IN is uncomputed on non-DFS_BACK "
-                        "%d->%d\n", e->src->index, e->dest->index);
-             worklist.quick_push (e);
-           }
          else
            {
              /* Unvisited successors get their ANTIC_IN replaced by the