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12724 update smatch to 0.6.1-rc1-il-5

*** 72,82 **** get_real_base_type(sym) == &void_ctype)) return; stmt = last_ptr_list((struct ptr_list *)big_statement_stack); ! if (stmt->type == STMT_EXPRESSION && stmt->expression == expr) sm_error("unchecked function return '%s'", expr_to_str(expr->fn)); } void check_all_func_returns(int id) { --- 72,82 ---- get_real_base_type(sym) == &void_ctype)) return; stmt = last_ptr_list((struct ptr_list *)big_statement_stack); ! if (stmt && stmt->type == STMT_EXPRESSION && stmt->expression == expr) sm_error("unchecked function return '%s'", expr_to_str(expr->fn)); } void check_all_func_returns(int id) {