I tried running your example code in my version of blead perl (5.31.6) on Linux, compiled with mostly default settings, using List::Util 1.53. It fails tests 1, 4, and 5.
map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In reply to Re: Looking for testers who use Microsoft compilers by choroba
in thread Looking for testers who use Microsoft compilers by syphilis

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