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With the new optimizing compiler (Turbofan) landing, JavaScript `Exception` are now usable without significant performance penalty: great news !

A bit of context: v8 used to have troubles optimizing code which contained `try/catch` sections, which led to massive performance issues on hot parts of the code in Chrome and deterred a lot of people from using Exceptions in JavaScript (including node). Glad to see this bug finally fixed !

More infos on the new v8 stack here: https://v8project.blogspot.fr/2017/05/launching-ignition-and...




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