From @japhb

TimToady++ pointed out one side of an interesting edge case in keyword parsing​:

<TimToady> [Coke]​: note that most keywords in p6 will win under LTM because they tend to include a trailing whitespace.
<TimToady> r​: my \do = 42; say do do;
<p6eval> rakudo 547fcb​: OUTPUT«42␤»
<japhb_> r​: my \do = 42; say do do ;
<p6eval> rakudo 547fcb​: OUTPUT«===SORRY!===␤Error while compiling block : Error while compiling op call​: Error while compiling block : Error while compiling block : Can only use get_how on a SixModelObject␤»
<jnthn> whoa...
<jnthn> japhb_​: That one'd want reporting.

-'f

From @usev6

As a status update​: The second evaluation still errors, but with a different error message. (IMHO the error message makes it clearer that the second 'do' is parsed as a keyword.)

$ perl6 -e 'my \do = 42; say do do;'
42

$ perl6 -e 'my \do = 42; say do do ;'
===SORRY!=== Error while compiling -e
Missing block or statement
at -e​:1
------> my \do = 42; say do do⏏ ;

@usev6 - Status changed from 'new' to 'open'

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