From @masak

<masak> rakudo​: my %h = { has-b => 42 }
<p6eval> rakudo 0d0672​: OUTPUT«===SORRY!===␤Malformed has at line 11,
near "-b => 42
  }"␤»
<masak> has-b, however, shouldn't fail.
<pmichaud> correct, has-b shouldn't fail.
* masak submits rakudobug
<masak> std​: my %h = { has-b => 42 }
<p6eval> std 31197​: OUTPUT«ok 00​:01 105m␤»
<pmichaud> workaround for now would be 'has-b' => 42 :-)

@coke - Status changed from 'new' to 'open'

From @zhuomingliang

test added. see Raku/roast@2633e6148b

@moritz - Status changed from 'open' to 'resolved'