Saving memory in Context.poe_map
Saving memory in Context.poe_map


Former-commit-id: 2f9a7d44aad12ff69d40c32c92da6b9fef523b5a [formerly 2c2f9d999ebef54fc734226cc47661e8a6f4178c]
Former-commit-id: d5452826cca934135a4e3a7d4b86d60aa8ae6070
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine