[perl #112908] cannot use result of enum invocation with infix:, even though it is identical to the enum value

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# New Ticket Created by  Moritz Lenz 
# Please include the string:  [perl #112908]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=112908 >


< moritz> r: enum day <a b c d e>;say day(3) === d; "foo" but d; say
"alive"; "foo" but day(3)
<+p6eval> rakudo 2ac569: OUTPUT«True␤alive␤Type check failed
          in assignment to '$!day'; expected 'day' but got 'Int'␤
          in block  <anon> at src/gen/CORE.setting:650␤
          in method BUILD_LEAST_DERIVED at src/gen/CORE.setting:637␤
          in sub infix:<but> at src/gen/CORE.setting:10579␤
< moritz> day(3) === d  is True, but '"foo" but d' and '"foo" but
day(3)'  dies?
< moritz> r: enum A <b c>; nqp::say nqp::iscont(b); nqp::say
                nqp::iscont(A(0))
<+p6eval> rakudo 2ac569: OUTPUT«0␤0␤»

So that's not the problem either.