From @b2gills

  > Mix( 'a' => 0.3 ).roll

  Type check failed in binding; expected Int but got Rat (0.3)
  in block <unit> at <unknown file> line 1

This worked prior to `Add R​:Q.MIX-ROLL, make Mix.roll() about 2.5x as fast`[1]

[1] rakudo/rakudo@a2602b9

From @lizmat

Oops. Caught by a copy-pasto. Fixed with a91ad2da854831a7a38c1d , tests needed.

On 7 Aug 2017, at 20​:59, Brad Gilbert (via RT) <perl6-bugs-followup@​perl.org> wrote​:

# New Ticket Created by Brad Gilbert
# Please include the string​: [perl #​131855]
# in the subject line of all future correspondence about this issue.
# <URL​: https://rt-archive.perl.org/perl6/Ticket/Display.html?id=131855 >

Mix( 'a' => 0.3 ).roll

Type check failed in binding; expected Int but got Rat (0.3)
in block <unit> at <unknown file> line 1

This worked prior to `Add R​:Q.MIX-ROLL, make Mix.roll() about 2.5x as fast`[1]

[1] rakudo/rakudo@a2602b9

The RT System itself - Status changed from 'new' to 'open'

From @zoffixznet

Tests Raku/roast@522e3da803

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