Dani Biró issues

Results 2 issues of


                                            Dani Biró

https://github.com/Daninet/hash-wasm/issues/46 https://bugs.chromium.org/p/chromium/issues/detail?id=1226418#c14

documentation

It leads to 5x-10x better performance. Fixes issue https://github.com/bnoordhuis/v8-cmake/issues/78