This commit adds support for "nontrapping float to int conversion" proposal which is one of the finished proposals at this point and is included in the 2.0 draft. https://github.com/WebAssembly/spec/blob/main/proposals/nontrapping-float-to-int-conversion/Overview.md Signed-off-by: Takeshi Yoneda <takeshi@tetrate.io> Co-authored-by: Adrian Cole <adrian@tetrate.io>