Fix memory leak when adding empty keyword hashes
nagachika pointed out that ALLOC_N is actually just malloc, so this memory wasn't being freed. This shouldn't be a performance sensitive code path, and will be going away after 2.7, so just allocate a temp buffer that will be freed later by Ruby GC.
Added by jeremyevans (Jeremy Evans) almost 6 years ago
Fix memory leak when adding empty keyword hashes
nagachika pointed out that ALLOC_N is actually just malloc, so
this memory wasn't being freed. This shouldn't be a performance
sensitive code path, and will be going away after 2.7, so just
allocate a temp buffer that will be freed later by Ruby GC.