re PR target/56716 (during gcc 4.8.0 build on Cygwin: bid128_fma.c:4460:1:…

re PR target/56716 (during gcc 4.8.0 build on Cygwin:  bid128_fma.c:4460:1: internal compiler error: Segmentation fault)

2013-03-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56716
	* tree-ssa-structalias.c (perform_var_substitution): Adjust
	dumping for ref nodes.

From-SVN: r197165

gcc/ChangeLog

+2013-03-27  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/56716
+	* tree-ssa-structalias.c (perform_var_substitution): Adjust
+	dumping for ref nodes.
+
 2013-03-27  Martin Jambor  <mjambor@suse.cz>
 
 	PR tree-optimization/55334

gcc/tree-ssa-structalias.c

@@ -2292,19 +2292,38 @@ perform_var_substitution (constraint_graph_t graph)
       {
 	unsigned j = si->node_mapping[i];
 	if (j != i)
-	  fprintf (dump_file, "%s node id %d (%s) mapped to SCC leader "
-		   "node id %d (%s)\n",
+	  {
+	    fprintf (dump_file, "%s node id %d ",
 		     bitmap_bit_p (graph->direct_nodes, i)
-		    ? "Direct" : "Indirect", i, get_varinfo (i)->name,
-		    j, get_varinfo (j)->name);
+		     ? "Direct" : "Indirect", i);
+	    if (i < FIRST_REF_NODE)
+	      fprintf (dump_file, "\"%s\"", get_varinfo (i)->name);
+	    else
+	      fprintf (dump_file, "\"*%s\"",
+		       get_varinfo (i - FIRST_REF_NODE)->name);
+	    fprintf (dump_file, " mapped to SCC leader node id %d ", j);
+	    if (j < FIRST_REF_NODE)
+	      fprintf (dump_file, "\"%s\"\n", get_varinfo (j)->name);
+	    else
+	      fprintf (dump_file, "\"*%s\"\n",
+		       get_varinfo (j - FIRST_REF_NODE)->name);
+	  }
 	else
+	  {
 	    fprintf (dump_file,
-		   "Equivalence classes for %s node id %d (%s): pointer %d"
-		   ", location %d\n",
+		     "Equivalence classes for %s node id %d ",
 		     bitmap_bit_p (graph->direct_nodes, i)
-		   ? "direct" : "indirect", i, get_varinfo (i)->name,
+		     ? "direct" : "indirect", i);
+	    if (i < FIRST_REF_NODE)
+	      fprintf (dump_file, "\"%s\"", get_varinfo (i)->name);
+	    else
+	      fprintf (dump_file, "\"*%s\"",
+		       get_varinfo (i - FIRST_REF_NODE)->name);
+	    fprintf (dump_file,
+		     ": pointer %d, location %d\n",
 		     graph->pointer_label[i], graph->loc_label[i]);
 	  }
+      }
 
   /* Quickly eliminate our non-pointer variables.  */