Ruby

[ruby/prism] Do not serialize node_id when PRISM_SERIALIZE_ONLY_SEMANTICS_FIELDS is set

• $ bundle exec rake serialized_size:topgems
  Before:
  Total sizes for top 100 gems:
  total source size: 90207647
  total serialized size: 86284647
  total serialized/total source: 0.957

Stats of ratio serialized/source per file:
average: 0.952
median: 0.937
1st quartile: 0.669
3rd quartile: 1.206
min - max: 0.080 - 4.065

After:
Total sizes for top 100 gems:
total source size: 90207647
total serialized size: 69477115
total serialized/total source: 0.770

Stats of ratio serialized/source per file:
average: 0.844
median: 0.825
1st quartile: 0.597
3rd quartile: 1.064
min - max: 0.078 - 3.792

https://github.com/ruby/prism/commit/cf90fe5759