If you do
use Devel::Peek;
Dump $q[1];

[download]

You can see the sub name in the GVGV::GV field, so the data is still there, and an XS module could certainly retrieve it.

Maybe Sub::Identify does that, but I haven't tried if it works in this case.

Perl 6 - links to (nearly) everything that is Perl 6.

In reply to Re: Getting the name of sub from sub reference by moritz
in thread Getting the name of sub from sub reference by gri6507

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