PNaCL was essentially "let's shove LLVM into every browser and make it a mandatory part of the web", which somehow seems even worse than "let's shove the JVM into every browser and make it a mandatory part of web"
Additionally we already have LLVM all over the place, alongside JVM and CLR, it is the most deployed compiler infrastructure with contributions at the same level as the Linux kernel.
Javagator / Jazilla!
https://www.cnet.com/tech/tech-industry/javagator-down-not-o...