Comment by jcl
15 hours ago
The impression I get from the article is not that the compiled code of each implementation produces the same object code, but that when the implementations are run with the same inputs, they produce exactly the same output — that is, the same JS VM bytecode.
That matches my understanding too.
If they had developed a technique to get a modern C++ compiler and rustc to generate exactly the same output for any program (even a trivial one) I think that would be huge news and I would love to see all the linker hacking that would involve.