[Bug tree-optimization/25857] [4.2 Regression] ICE in coalesce_abnormal_edges at -O2

[pinskia at gcc dot gnu dot org]

------- Comment #3 from pinskia at gcc dot gnu dot org  2006-01-21 01:48 -------
Patch which I am going to test:
Index: tree-ssa-pre.c
===================================================================
--- tree-ssa-pre.c      (revision 110030)
+++ tree-ssa-pre.c      (working copy)
@@ -2741,10 +2741,13 @@ insert_extra_phis (basic_block block, ba
       edge e;
       edge_iterator ei;
       bool first = true;
+      bool in_ab = false;
       bitmap_set_t tempset = bitmap_set_new ();

       FOR_EACH_EDGE (e, ei, block->preds)
        {
+         if ((e->flags & EDGE_ABNORMAL) != 0)
+           in_ab = true;
          if (first)
            {
              bitmap_set_copy (tempset, AVAIL_OUT (e->src));
@@ -2768,7 +2771,7 @@ insert_extra_phis (basic_block block, ba
              tree val = get_value_handle (name);
              tree temp;

-             if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (name))
+             if (in_ab)
                continue;

              if (!mergephitemp


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25857