Constant fail?

constant.raku

use v6.*;

my $ast := RakuAST::Statement::Expression.new(
  expression => RakuAST::VarDeclaration::Constant.new(
    name        => "foo",
    initializer => RakuAST::StrLiteral.new("bar")
  )
);

dd $ast.EVAL;
# ForeignCode <anon> = The 'ForeignCode' class is a Rakudo-specific implementation detail and has no serviceable parts inside