You miss the plot. Wasm isn't just about super fast division by zero its about introducing actual programming languages to web development and offer an exit to that dreaded bloat of inconsistency called js. If this takes a performance hit, me personally can't care less...
Indeed you're right. But (at least for me) WASM is advertised as new format for better speed and efficiency. I think that support for LLVM-compiled languages is just a side-effect. If course, I can be wrong but it's my opinion.
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