[perl #131334] [LTA] “Too many symbols” is right but can be confusing (sub infix: { … })

[via RT]

# New Ticket Created by  Aleks-Daniel Jakimenko-Aleksejev 
# Please include the string:  [perl #131334]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=131334 >


Code:
sub infix:<a b> { … }

Result:
===SORRY!=== Error while compiling -e
Too many symbols provided for categorical of type infix; needs only 1
at -e:1
------> sub infix:<a b>⏏ { … }


See this log: https://irclog.perlgeek.de/perl6-dev/2017-05-20#i_14610761

Mainly this:
<timotimo> it could be rewritten as "parts"
<timotimo> and also tell how many it thinks there were