the check for ancient Test::Harness is no longer needed, methinks.

src/HLL/Compiler.pm

@@ -235,18 +235,6 @@ class HLL::Compiler {
     }    
 
     method command_line(@args, *%adverbs) {
-        ## this bizarre piece of code causes the compiler to
-        ## immediately abort if it looks like it's being run
-        ## from Perl's Test::Harness.  (Test::Harness versions 2.64
-        ## from October 2006
-        ## and earlier have a hardwired commandline option that is
-        ## always passed to an initial run of the interpreter binary,
-        ## whether you want it or not.)  We expect to remove this
-        ## check eventually (or make it a lot smarter than it is here).
-        if nqp::index(@args[2], '@INC') >= 0 {
-            nqp::exit(0);
-        }
-
         my $program-name := @args[0];
         my $res  := self.process_args(@args);
         my %opts := $res.options;