Problem:    Vim9: reading before the start of the line with "$" by itself.
Solution:   Do not subtract one when reporting the error.

Problem:    Vim9: the second argument of map() and filter() is not checked at
            compile time.
Solution:   Add more specific type check for the second argument.

Problem:    Vim9: type check for using v: variables is basic.
Solution:   Specify a more precise type.

Problem:    Function does not abort after a type error in compare
Solution:   Check getting number fails. (closes #9384)

Problem:    Vim9: inconsistent arguments for test functions.
Solution:   When :def function and script have different arguments use a list
            with two items instead of a separate function.

Problem:    The inline-function example does not work.
Solution:   Drop ":let".  Add EX_EXPR_ARG to CMD_var. (issue #9352)

Problem:    Vim9: cannot have a multi-line dict inside a block.
Solution:   Do not split the command at a line break, handle NL characters
            as white space.

Problem:    Vim9: expr4 test fails on MS-Windows.
Solution:   Do not give an error for a missing function name when skipping.

Problem:    Vim9: type of argument for negate not checked at compile time.
Solution:   Add a compile time check.

Problem:    Vim9: check for DO_NOT_FREE_CNT is very slow.
Solution:   Move to a separate function so it can be skipped by setting
            $TEST_SKIP_PAT.