2cfab1f643
Add `multivalue` target feature to WASM target This PR is similar to #99643 and #97808. It addresses #96472 for the `multivalue` target feature. The problem I am trying to fix is to remove the following warning when compiling with `-C target-feature=+multivalue` for `--target=wasm32-unknown-unknown`. ``` warning: unknown feature specified for `-Ctarget-feature`: `multivalue` | = note: it is still passed through to the codegen backend = note: consider filing a feature request ```
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.