The error arises on 5.6.1, and running it through B::Deparse gives further wierdness:

Can't locate object method "pp_anonhash" via package "B::Deparse" (per
+haps you forgot to load "B::Deparse"?) at /usr/local/lib/perl5/5.6.1/
+sun4-solaris/B/Deparse.pm line 410.
CHECK failed--call queue aborted.
Segmentation Fault
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