[perl #74050] twigles not working in master

[via RT]

# New Ticket Created by  Richard Hainsworth 
# Please include the string:  [perl #74050]
# in the subject line of all future correspondence about this issue. 
# <URL: http://rt.perl.org/rt3/Ticket/Display.html?id=74050 >


finanalyst: perl6: my @v=2,5; say ( map {; $^b => $^a }, @v ).perl
p6eval: rakudo 32fda1: OUTPUT«Lexical '$b' not found␤current instr.: 
'_block14' pc 29 (EVAL_1:0)␤»
p6eval: ..elf 30299: OUTPUT«Undefined subroutine &GLOBAL::map called at 
(eval 124) line 4.␤ at ./elf_h line 5881␤»
p6eval: ..pugs: OUTPUT«((\5 => \2),)␤»
finanalyst: alpha: my @v=2,5; say ( map {; $^b => $^a }, @v ).perl
p6eval: alpha 30e0ed: OUTPUT«[5 => 2]␤»