[perl #60092] $/ cannot be assigned to other vars or passed as a parameter

[Carl Mäsak]

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Chris Dolan writes the following to p6u:

I'm learning about Match objects today.  I can't assign $/ to a
variable or pass it to a method.  Is this a bug, or am I just
confused?  I get the following results.  In both cases, $/ gets
stringified instead of remaining as a Match instance.

% ./perl6 -e 'if ("f" ~~ m/f/) { my Match $m = $/; }'
Type check failed
[...]

or

% ./perl6 -e 'sub foo(Match $m) { say $m; }; if ("f" ~~ m/f/) { foo($/); }'
Parameter type check failed
[...]

% ./perl6 -v
This is Rakudo Perl 6, revision 32120 built on parrot 0.8.0-devel
for darwin-thread-multi-2level.