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This also implies that data can no longer be shared between a PL/Perl

function and a PL/PerlU function.

Someperl installations have not been compiled with the correct flags

SomePerl installations have not been compiled with the correct flags

to allow multiple interpreters to exist within a single process.

In this situation PL/Perl and PL/PerlU cannot both be used in a

single backend. The solution is to get a Perl installation which