Add a flag to expect later toolchain opts, and use it to know which are the last opts - #9238

Add a flag to expect later toolchain opts, and use it to know which are the last opts#9238

kripken merged 12 commits into

WebAssembly:mainWebAssembly/binaryen:mainfrom

kripken:lastOptskripken/binaryen:lastOptsCopy head branch name to clipboard