Would this help? (I don't use gdb):

#! perl -slw
use strict;
use threads;
use Carp;

sub thread {
    my $x = shift;
    eval{
        my $y = 100 / $x;
    } or croak "$@";
}
async( \&thread, $_ )->detach for reverse 0 .. 3;

sleep 10

__END__
C:\test>junk
Thread 4 terminated abnormally: Illegal division by zero at C:\test\ju
+nk.pl line 9.
 at C:\test\junk.pl line 8 thread 4
        main::thread(0) called at C:\test\junk.pl line 12 thread 4
        eval {...} called at C:\test\junk.pl line 12 thread 4
;
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