From @zhuomingliang

colomon >
rn​: my $a = "'/'params'/'<foo=<-[\/\.]>+>)"; say eval('"/params/bar" ~~ /
<$m> /')
p6eval >
niecza v24-24-gbdc3343​: OUTPUT«Potential difficulties​:â�¤ $a is declared
but not used at /tmp/oA6iiiEU8J line 1​:â�¤------> my â��$a =
"'/'params'/'<foo=<-[\/\.]>+>)"; saâ�¤â�¤Unhandled exception​: Variable $m
is not predeclared� at /home/p6eval/niecza/boot/lib/CORE.setting lin…
..rakudo f4e96b​: OUTPUT«Nominal type check failed for parameter '$var';
expected Any but got Mu instead␤ in method INTERPOLATE at
src/gen/CORE.setting​:10698␤ in regex at eval_0​:1␤ in method ACCEPTS at
src/gen/CORE.setting​:10804␤ in block at eval_0​:1␤ in at eval_0​:1␤ in
sub eval a…

From @FROGGS

fixed​:

rakudo/rakudo@123dfa3

./perl6 -e 'my $min = "a"; say "a" ~~ /<$man>/; say 42'
===SORRY!===
Variable '$man' is not declared. Did you mean '$min'?
at -e​:1
------> my $min = "a"; say "a" ~~ /<$man>/⏏; say 42

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

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