is($_ , '1:2:3:4:5:6:::');
# Does assignment to a list imply split to one more field than that?
-if ($^O eq 'MSWin32') { $foo = `.\\perl -D1024 -e "(\$a,\$b) = split;" 2>&1` }
-elsif ($^O eq 'NetWare') { $foo = `perl -D1024 -e "(\$a,\$b) = split;" 2>&1` }
-elsif ($^O eq 'VMS') { $foo = `./perl "-D1024" -e "(\$a,\$b) = split;" 2>&1` }
-elsif ($^O eq 'MacOS'){ $foo = `$^X "-D1024" -e "(\$a,\$b) = split;"` }
-else { $foo = `./perl -D1024 -e '(\$a,\$b) = split;' 2>&1` }
-ok($foo =~ /DEBUGGING/ || $foo =~ /SV = (VOID|IV\(3\))/);
+if ($^O eq 'MSWin32') { $foo = `.\\perl -Dt -e "(\$a,\$b) = split;" 2>&1` }
+elsif ($^O eq 'NetWare') { $foo = `perl -Dt -e "(\$a,\$b) = split;" 2>&1` }
+elsif ($^O eq 'VMS') { $foo = `./perl "-Dt" -e "(\$a,\$b) = split;" 2>&1` }
+elsif ($^O eq 'MacOS'){ $foo = `$^X "-Dt" -e "(\$a,\$b) = split;"` }
+else { $foo = `./perl -Dt -e '(\$a,\$b) = split;' 2>&1` }
+ok($foo =~ /DEBUGGING/ || $foo =~ /\Qconst(IV(3))\E/);
# Can we say how many fields to split to when assigning to a list?
($a,$b) = split(' ','1 2 3 4 5 6', 2);