[sf-perl] FreeBSD 12.2 lang/perl5-5.32.1_1 experimental 'isa' infix operator breaks UNIVERSAL::ISA

[yary]

> perl -v
>
>
>> This is perl 5, version 32, subversion 1 (v5.32.1) built for darwin-2level
>
>
test output from the above Perl 5.32.1 & MacOS 11.2.2

ok 1 - line 4
ok 2 - line 6
not ok 3 - line 32
#   Failed test 'line 32'
#   at ttt.pl line 32.
#          got: undef
#     expected: '1'
not ok 4 - line 34
#   Failed test 'line 34'
#   at ttt.pl line 34.
#          got: undef
#     expected: '1'
1..4
# Looks like you failed 2 tests of 4.
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