[perl #104980] natively typed attributes and BUILD methods don't mix

[via RT]

# New Ticket Created by  Moritz Lenz 
# Please include the string:  [perl #104980]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=104980 >


14:44 < moritz> nom: class A { has str $.x; method BUILD(:$!x) { } }; 
say A.new(:x<foo>).x
14:44 <+p6eval> nom ff7fd2: OUTPUT«Cannot assign to a non-container␤  in 
method BUILD at /tmp/rmcjzlnZkz:1␤  in method BUILDALL at
                 src/gen/CORE.setting:568␤  in method bless at
                 src/gen/CORE.setting:558␤  in method new at
                 src/gen/CORE.setting:543␤  in block <anon> at
                 /tmp/rmcjzlnZkz:1␤  in <anon> at /tm…