Log Message:
perl: update to 5.40.0.

Core Enhancements

    New __CLASS__ Keyword
    :reader attribute for field variables
    Permit a space in -M command-line option
    Restrictions to use VERSION declarations
    New builtin::inf and builtin::nan functions (experimental)
    New ^^ logical xor operator
    try/catch feature is no longer experimental
    for iterating over multiple values at a time is no longer experimental
    builtin module is no longer experimental
    The :5.40 feature bundle adds try
    use v5.40; imports builtin functions

Security

    CVE-2023-47038 - Write past buffer end via illegal user-defined Unicode property
    CVE-2023-47039 - Perl for Windows binary hijacking vulnerability

Incompatible Changes

    reset EXPR now calls set-magic on scalars
    Calling the import method of an unknown package produces a warning
    return no longer allows an indirect object
    Class barewords no longer resolved as file handles in method calls under no \ 
feature "bareword_filehandles"