Why does perl fail to warn that index has been re-defined ?

Because its not illegal to redefine built-ins. Just silly unless they perform the same function. 

C:\test>perl -Mstrict -wE"sub map{ 1 }"

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In reply to Re^3: perl index function error when "use PDL" by BrowserUk
in thread perl index function error when "use PDL" by allori

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