Fix memory leak. The lifespan info wasn't used in the groups optimizer, and what's worse, it wasn't freed. This fixes (part of) bug 3144.
Fix memory leak.
The lifespan info wasn't used in the groups optimizer, and what's
worse, it wasn't freed.
This fixes (part of) bug 3144.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb