Revert unintended commit.

From-SVN: r141128

gcc/tree-switch-conversion.c

@@ -296,29 +296,12 @@ check_final_bb (void)
 	{
 	  basic_block bb = gimple_phi_arg_edge (phi, i)->src;
 
-	  if (bb == info.switch_bb
-	      || (single_pred_p (bb) && single_pred (bb) == info.switch_bb))
+	  if ((bb == info.switch_bb
+	       || (single_pred_p (bb) && single_pred (bb) == info.switch_bb))
+	      && !is_gimple_ip_invariant (gimple_phi_arg_def (phi, i)))
 	    {
-	      tree reloc, val;
-
-	      val = gimple_phi_arg_def (phi, i);
-	      if (!is_gimple_ip_invariant (val))
-		{
-		  info.reason = "   Non-invariant value from a case\n";
-		  return false; /* Non-invariant argument.  */
-		}
-	      reloc = initializer_constant_valid_p (val, TREE_TYPE (val));
-	      if ((flag_pic && reloc != null_pointer_node)
-		  || (!flag_pic && reloc == NULL_TREE))
-		{
-		  if (reloc)
-		    info.reason
-		      = "   Value from a case would need runtime relocations\n";
-		  else
-		    info.reason
-		      = "   Value from a case is not a valid initializer\n";
-		  return false;
-		}
+	      info.reason = "   Non-invariant value from a case\n";
+	      return false; /* Non-invariant argument.  */
 	    }
 	}
     }