The underlying bug in Rakudo I spoke about is now fixed (in the 'glr' branch).
There is a test in roast -- cmp. Ticket 124079
(https://rt.perl.org/Ticket/Display.html?id=124079). The shortened code from
the bug report dies as expected:
$ perl6 -e 'my Str @uri = ([], []); say "alive"'
Type check
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Hello,
I have the following failure from Rakudo 2014-04 when running some
tests:
ok 4 - LDA