TAP::Parser::SourceHandler::File fails if one and only one extensions option is specified

[uasi]

prove --source File --file-option extensions=.txt ./tap.txt fails, while prove --source File --file-option extensions=.txt --file-option extensions=.tmp ./tap.txt does not.

-> ao% perl -v | grep version
This is perl 5, version 24, subversion 1 (v5.24.1) built for darwin-thread-multi-2level
-> ao% perl -MTAP::Harness -E 'say TAP::Harness->VERSION'
3.36_01
-> ao% cat tap.txt
1..1
ok 1
-> ao% prove --source File --file-option extensions=.txt ./tap.txt
Can't use string (".txt") as an ARRAY ref while "strict refs" in use at /usr/local/Cellar/perl/5.24.1/lib/perl5/5.24.1/TAP/Parser/SourceHandler/File.pm line 74.
-> ao% prove --source File --file-option extensions=.txt --file-option extensions=.tmp ./tap.txt
./tap.txt .. ok
All tests successful.
Files=1, Tests=1,  0 wallclock secs ( 0.01 usr +  0.00 sys =  0.01 CPU)
Result: PASS

[Leont]

That is rather disappointing…