[perl #122286] recursive data structures hang when .perl'd

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# New Ticket Created by  Will Coleda 
# Please include the string:  [perl #122286]
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# <URL: https://rt.perl.org/Ticket/Display.html?id=122286 >


S02-names-vars/perl.t

has several examples of recursive data structures that must be skipped
because calling .perl on them hangs.

e.g.:

    my $foo = { a => 42 }; $foo<b> = $foo;
    is $foo<b><b><b><a>, 42, "basic recursive hashref";

    is ~$foo.perl.EVAL, ~$foo,
        ".perl worked correctly on a recursive hashref";

-- 
Will "Coke" Coleda