Fixed with d7698f3de2eb3c326aa , tests needed.
> On 30 Apr 2016, at 17:02, Carl Mäsak (via RT) <perl6-bugs-follo...@perl.org>
> wrote:
>
> # New Ticket Created by "Carl Mäsak"
> # Please include the string: [perl #128039]
> # in the subject line of all future correspondence about this issue.
> # <URL: https://rt.perl.org/Ticket/Display.html?id=128039 >
>
>
> <TimToady> m: ''.substr(5).say
> <camelia> rakudo-moar 1acf80: OUTPUT«(HANDLED) Start argument to
> substr out of range. Is: 5, should be in 0..0; use *5 if you want to
> index relative to the end [...]
> <TimToady> the *5 is a bug
> * masak submits rakudobug
> <masak> m: say "a".substr(7)
> <camelia> rakudo-moar 1acf80: OUTPUT«(HANDLED) Start argument to
> substr out of range. Is: 7, should be in 0..1; use *7 if you want to
> index relative to the end [...]