NEW 180089
CodeBlockSet should be based on Subspace (or IsoSubspace) instead of a HashMap 
https://bugs.webkit.org/show_bug.cgi?id=180089
Summary CodeBlockSet should be based on Subspace (or IsoSubspace) instead of a HashMap
Filip Pizlo
Reported 2017-11-28 09:57:39 PST
As part of this work, we should identify exactly what it is in CodeBlock that requires eager destruction. I think it's just unlinking. If that's true, then we should do the unlinking eagerly but everything else lazily.
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