* sverker/ets-delete-tree-trapping:
  erts: Refactor ets catree deletion

* john/erts/process_info-binary-heap-fragments/OTP-15978:
  erts: Scan heap fragments for off-heap binaries

to maintain consistency of the trees during yielding
and by that avoid problems with test inspection like
erts_debug:get_internal_state(node_and_dist_references).

* john/erts/fix-instrument-allocations-race/OTP-15983:
  erts: Fix crash in instrument:allocations/0-1

* john/erts/bs_get_binary2-heap-binaries/OTP-15977:
  erts: Create heap binaries in binary:split/2-3
  erts: Create heap binaries in binary_part/2-3
  erts: Create heap binaries in split_binary/2
  erts: Create heap binaries in bs_get_binary2
  erts: Remove size check in bs_start_match
  erts: Disallow binaries whose size in bits exceeds UWORD_MAX

The current carrier list was read when the allocator wasn't locked,
crashing the emulator if a block scan raced with a carrier
allocation.