re PR tree-optimization/51576 (Bootstrap failure with go)

	PR tree-optimization/51576
	* tree-cfg.c (replace_uses_by): Call maybe_clean_or_replace_eh_stmt
	even if fold_stmt didn't change anything.

From-SVN: r182403

gcc/ChangeLog

+2011-12-16  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/51576
+	* tree-cfg.c (replace_uses_by): Call maybe_clean_or_replace_eh_stmt
+	even if fold_stmt didn't change anything.
+
 2011-12-16  Richard Guenther  <rguenther@suse.de>
 
 	PR lto/51572

gcc/tree-cfg.c

@@ -1625,10 +1625,9 @@ replace_uses_by (tree name, tree val)
 	      }
 
 	  if (fold_stmt (&gsi))
-	    {
 	    stmt = gsi_stmt (gsi);
+
 	  maybe_clean_or_replace_eh_stmt (orig_stmt, stmt);
-	    }
 
 	  update_stmt (stmt);
 	}