[Koha-bugs] [Bug 16104] Warnings "used only once: possible typo" should be removed

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=16104

--- Comment #1 from Jonathan Druart <jonathan.druart at bugs.koha-community.org> ---
Created attachment 49314
  -->
https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=49314&action=edit
Bug 16104: Remove warnings "used only once: possible typo"

Since bug 11998, the following warnings are raised:
Name "Tie::Hash::FIELDS" used only once: possible typo at
/usr/share/perl/5.22/fields.pm line 135.
Name "Cache::RemovalStrategy::LRU::FIELDS" used only once: possible typo at
/usr/share/perl/5.22/fields.pm line 135.
Name "Cache::RemovalStrategy::FIELDS" used only once: possible typo at
/usr/share/perl/5.22/fields.pm line 135.

It comes from the Koha::Cache

103     if ( can_load( modules => { 'Cache::Memory' => undef } ) ) {

Test plan:
  perl -wc C4/AuthoritiesMarc.pm
should return green

QA note: this may have an impact on performance but I have not found any other
workarounds.

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