Merge pull request #15940 from keszybz/names-set-optimization

Try to optimize away Unit.names set

diff --cc src/basic/hashmap.c
index 3172865e3e2a4725bd8598a8a9c3e8d87f78c0dd,b45938cd3bc37b1485288800466b1c0ebcd75327..15c8c4723c0480a2499da376d88f8bd50eb844e8
--- 1/src/basic/hashmap.c
--- 2/src/basic/hashmap.c
+++ b/src/basic/hashmap.c
@@@ -833,10 -835,10 +833,10 @@@ static int hashmap_base_ensure_allocate
                  return -ENOMEM;
  
          *h = q;
-         return 0;
+         return 1;
  }
  
 -int internal_hashmap_ensure_allocated(Hashmap **h, const struct hash_ops *hash_ops  HASHMAP_DEBUG_PARAMS) {
 +int _hashmap_ensure_allocated(Hashmap **h, const struct hash_ops *hash_ops  HASHMAP_DEBUG_PARAMS) {
          return hashmap_base_ensure_allocated((HashmapBase**)h, hash_ops, HASHMAP_TYPE_PLAIN HASHMAP_DEBUG_PASS_ARGS);
  }
  

diff --cc src/core/load-dropin.c
Simple merge

diff --cc src/core/socket.c
Simple merge

diff --cc src/core/socket.h
Simple merge

diff --cc src/core/unit.c
Simple merge

diff --cc src/core/unit.h
Simple merge

diff --cc src/systemctl/systemctl.c
Simple merge