private void finalize(final ExprInfo exprInfo) {
		final Iterator uses = exprInfo.def().uses().iterator();

		while (uses.hasNext()) {
			final LocalExpr use = (LocalExpr) uses.next();

			if (use.parent() instanceof PhiCatchStmt) {
				exprInfo.setSave(true);
				break;
			}
		}

		finalizeVisit(exprInfo, cfg.source());
	}