[perl #126725] List.print and print(List) differ

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# New Ticket Created by  Wenzel Peppmeyer 
# Please include the string:  [perl #126725]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=126725 >


my $list = (1,2,3);
print $list;
put;
$list.print;

# OUTPUT«1 2 3␤123»
# The output of both forms should be the same. List should .Str to
.join(' '). Array is List, so $list.print should have the appropriate 
amount of WS.