panic by passing modport interface to function

[nananapo]

interface InterfaceA {
    var _a: logic;
    modport master {
        _a: input,
    }
}

module Top (
    a: modport InterfaceA::master,
) {
    function myfunc (
        c: input logic,
    ) -> logic {
        return 1;
    }
    let _b: logic = myfunc(a);
}

thread 'main' panicked at crates/analyzer/src/handlers/check_var_ref.rs:187:34:
internal error: entered unreachable code
stack backtrace:
   0: rust_begin_unwind
   1: core::panicking::panic_fmt
   2: core::panicking::panic
   3: <veryl_analyzer::handlers::check_var_ref::CheckVarRef as veryl_parser::generated::veryl_grammar_trait::VerylGrammarTrait>::expression_identifier
   4: veryl_parser::veryl_walker::VerylWalker::expression_identifier
   5: veryl_parser::veryl_walker::VerylWalker::expression11
   6: veryl_parser::veryl_walker::VerylWalker::expression10
   7: veryl_parser::veryl_walker::VerylWalker::expression09
   8: veryl_parser::veryl_walker::VerylWalker::expression08
   9: veryl_parser::veryl_walker::VerylWalker::expression07
  10: veryl_parser::veryl_walker::VerylWalker::expression06
  11: veryl_parser::veryl_walker::VerylWalker::expression05
  12: veryl_parser::veryl_walker::VerylWalker::expression04
  13: veryl_parser::veryl_walker::VerylWalker::expression03
  14: veryl_parser::veryl_walker::VerylWalker::expression02
  15: veryl_parser::veryl_walker::VerylWalker::expression01
  16: veryl_parser::veryl_walker::VerylWalker::expression
  17: veryl_parser::veryl_walker::VerylWalker::argument_item
  18: veryl_parser::veryl_walker::VerylWalker::function_call
  19: veryl_parser::veryl_walker::VerylWalker::expression11
  20: veryl_parser::veryl_walker::VerylWalker::expression10
  21: veryl_parser::veryl_walker::VerylWalker::expression09
  22: veryl_parser::veryl_walker::VerylWalker::expression08
  23: veryl_parser::veryl_walker::VerylWalker::expression07
  24: veryl_parser::veryl_walker::VerylWalker::expression06
  25: veryl_parser::veryl_walker::VerylWalker::expression05
  26: veryl_parser::veryl_walker::VerylWalker::expression04
  27: veryl_parser::veryl_walker::VerylWalker::expression03
  28: veryl_parser::veryl_walker::VerylWalker::expression02
  29: veryl_parser::veryl_walker::VerylWalker::expression01
  30: veryl_parser::veryl_walker::VerylWalker::expression
  31: veryl_parser::veryl_walker::VerylWalker::generate_item
  32: veryl_parser::veryl_walker::VerylWalker::module_group
  33: veryl_parser::veryl_walker::VerylWalker::description_item
  34: veryl_parser::veryl_walker::VerylWalker::description_group
  35: veryl_analyzer::analyzer::Analyzer::analyze_pass2
  36: veryl::cmd_build::CmdBuild::exec
  37: veryl::main
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.