This appears to have involvement from all major browser vendors,
which provides hope it might actually catch on properly. An llvm
backend will be created which will compile to "wasm", hopefully
LDC and/or SDC could glue to this.
https://www.w3.org/community/webassembly/
https://github.com/WebAssembly
In particular, see
https://github.com/WebAssembly/design/blob/master/HighLevelGoals.md https://github.com/WebAssembly/design/blob/master/FAQ.md and https://github.com/WebAssembly/design/blob/master/MVP.md
