[PRISM] Frozen string literals should be fstrings
Frozen string literals should not just be frozen, but deduplicated as an fstring so that two string literals with the same contents are the exact same object.
Fixes ruby/prism#2095.
[PRISM] Frozen string literals should be fstrings
Frozen string literals should not just be frozen, but deduplicated as an
fstring so that two string literals with the same contents are the exact
same object.
Fixes ruby/prism#2095.