Keith Winstein

This looks like a cool optimization! Is there an available reference/documentation from Linux and glibc that we can point to that says the register is protected for use by userspace...

> > but i'll see if I can find any documented reference. > > Quoting from https://www.kernel.org/doc/html/next/x86/x86_64/fsgs.html > > ``` > The GS segment has no common use and can...

> I believe this should already work. The imported function is invoked via its external interface vs. the module's internal implementation of the function in a static function. The external...

wast2json (from Git) does work on the latest if.wast (since #2349); we just haven't done a release since then. We do need to update for the spec change that affected...

Unfortunately I haven't looked at this one yet.

Thanks for reporting this! Can you please test https://github.com/WebAssembly/wabt/pull/2389 and see if it fixes the issue for you? There should probably be a test for this situation, ideally eventually upstream...

> #2389 looks good, no unexpected overhead either https://godbolt.org/z/xf4Wfa4Ev > > 1. Might be good to export with `//decimal value` comment at the end of the line, for users' convenience...

It depends... on the size of the .wat, do you get a more concise output from binaryen's `wasm-dis` or `wasm-tools print`? If so... we can dive down to compare. In...

Cool, what's the segfault? (E.g. if you make a debug build and run it in gdb, where does it segfault?)

Looks reasonable, but let's iterate on the name a bit. I'd love for these hooks to describe basically what part of the spec we're violating conformance with, rather than the...