I'm sorry, but I can't help you further here. It works for me (latest development Perl "bleadperl", 5.11) on Windows. Maybe somebody with experience on Solaris can help out.

This is perl, v5.11.0 (GitLive-blead-418-g8e1694d*) built for MSWin32-
+x86-multi-
thread

Copyright 1987-2009, Larry Wall
...

C:\Temp\Devel-Symdump-2.08>\Projekte\bleadperl-git\perl -Iblib/lib -w 
+t\symdump.t
1..13
ok 1 - main::DATA main::Hmmmm main::STDERR main::STDIN main::STDOUT ma
+in::stderr
 main::stdin main::stdout
ok 2 - ^H @ ENV INC SIG
ok 3
ok 4
ok 5
ok 6
ok 7
ok 8
ok 9
ok 10
ok 11
ok 12
ok 13
[download]