not random test failures, but testing the implementation.
afoken linked to an article stating that from 5.20 on Perl brings it's own PRNG doesn't rely on the OS / C-Compiler anymore.
This also means there are "lots of different systems" out there which are less reliable.
And if this requirement is crucial for his app, he should abort installation and request another Perl version.
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery