Do Judy arrays index from 1 instead of zero? Subtracting 1 from the key works without error.
perl -MJudy::L=Set -E 'Set($j, (1<<63)-1, 123); say $j'
94763462791888
And possibly not relevant, but I see these overflow warnings when compiling:
ib/Judy.xs:54:37: note: in definition of macro ‘OOGA’
54 | PerlIO_printf(PerlIO_stdout(),__VA_ARGS__);\
| ^~~~~~~~~~~
lib/Judy.xs: In function ‘XS_Judy__HS_Delete’:
lib/Judy.xs:46:26: warning: overflow in conversion from ‘long unsigned
+ int’ to ‘int’ changes value from ‘16045690984833335023’ to ‘-5590387
+37’ [-Woverflow]
46 | # define DEADBEEF 0xdeadbeefdeadbeef
| ^~~~~~~~~~~~~~~~~~
lib/Judy.xs:46:26: note: in definition of macro ‘DEADBEEF’
46 | # define DEADBEEF 0xdeadbeefdeadbeef
| ^~~~~~~~~~~~~~~~~~
Perl version:
perl -v | grep This
This is perl 5, version 36, subversion 0 (v5.36.0) built for x86_64-li
+nux