MODULE@0..21
  EXPR_STMT@0..8
    CALL_EXPR@0..7
      NAME_REF@0..3
        IDENT@0..3 "foo"
      ARG_LIST@3..7
        L_PAREN@3..4 "("
        NAME_REF@4..5
          IDENT@4..5 "a"
        COMMA@5..6 ","
        NAME_REF@6..7
          IDENT@6..7 "b"
    SEMICOLON@7..8 ";"
  WHITESPACE@8..9 "\n"
  EXPR_STMT@9..16
    CALL_EXPR@9..16
      NAME_REF@9..12
        IDENT@9..12 "foo"
      ARG_LIST@12..16
        L_PAREN@12..13 "("
        NAME_REF@13..14
          IDENT@13..14 "a"
        COMMA@14..15 ","
        NAME_REF@15..16
          IDENT@15..16 "b"
  WHITESPACE@16..17 " "
  VAR_DECL@17..21
    VAR_KW@17..20 "var"
    WHITESPACE@20..21 "\n"
    ERROR@21..21
--
error[SyntaxError]: expected `')'` but instead found `;`
  ┌─ invalid_arg_list.js:1:8
  │
1 │ foo(a,b;
  │        ^ unexpected

--
error[SyntaxError]: expected `')'` but instead found `var`
  ┌─ invalid_arg_list.js:2:9
  │
2 │ foo(a,b var
  │         ^^^ unexpected

--
error[SyntaxError]: Expected a semicolon or an implicit semicolon after a statement, but found none
  ┌─ invalid_arg_list.js:2:9
  │
2 │ foo(a,b var
  │ --------^^^
  │ │       │
  │ │       An explicit or implicit semicolon is expected here...
  │ ...Which is required to end this statement

--
error[SyntaxError]: Expected an identifier or pattern, but found none
  ┌─ invalid_arg_list.js:3:1
  │
3 │ 
  │ ^

--
foo(a,b;
foo(a,b var