component validation panic

[rvolosatovs]

On 2d251a6:

cargo test -p wasmtime-wasi-http 'p3::tests::http_0_3_outbound_request_unknown_method'

fails at build time with:

  thread 'main' panicked at crates/test-programs/artifacts/build.rs:190:10:
  component output should validate: BinaryReaderError { inner: BinaryReaderErrorInner { message: "instance 0 has no export named `trailers`", kind: Custom, offset: 6546215, needed_hint: None } }
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

[dicej]

This is a bug in wit-component such that types used as payloads for future and/or stream intrinsics are not being considered "live" when doing liveness analysis for imported instances. @alexcrichton has kindly volunteered to fix that.

[alexcrichton]

Fixed in bytecodealliance/wasm-tools#2115