From @zoffixznet

https://irclog.perlgeek.de/perl6-dev/2017-05-13#i_14576917

16​:35 Zoffix m​: my $x = 72; { sub foo { say $x }; foo ; my $x = 42; say $x }
16​:35 camelia rakudo-moar 83b7ac​: OUTPUT​: «(Any)␤42␤»
16​:37 TimToady should probably get the "already bound to outer symbol" warning
16​:37 m​: my $x = 72; { say $x; my $x = 42; say $x }
16​:37 camelia rakudo-moar 83b7ac​: OUTPUT​: «5===SORRY!5=== Error while compiling <tmp>␤Lexical symbol '$x' is already bound to an outer symbol;␤the implicit outer binding must be rewritten as OUTER​::<$x>␤before you can unambiguously declare a new '$x' in this scope␤at <tmp>​:1␤------>…»
16​:38 TimToady like that one