The entire file contains WarpBuilder, which is behind the JIT speedup that this thread is about. > The SpiderMonkey (JS) team has been working on a significant

The entire file contains WarpBuilder, which is behind the JIT speedup that this thread is about. > The SpiderMonkey (JS) team has been working on a significant update to > our JITs called WarpBuilder (or just Warp) [0,1]. The whole component was the cool stuff I was referring too. I linked it mainly to show that it's C++ instead of, say, Rust, not to highlight any component of it.