fix(util/stackinfo): bug on Fedora

Signed-off-by: Leonardo de Moura <leonardo@nod1-2008.corp.crtest.com>
feat(split-stack): add support for split-stacks (no more stackoverflows)

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
chore(util): remove dead file

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>